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121023200102100 = 223524753357653
BaseRepresentation
bin11011100001000111101000…
…110110100000011011010100
3120212111201000220021202111020
4123201013220312200123110
5111330321003211231400
61105221142434041140
734330431501433632
oct3341075066403324
9525451026252436
10121023200102100
113561a7184311aa
12116a7134a191b0
13526b59207627a
1421c57a87b2352
15ded157a562a0
hex6e11e8da06d4

121023200102100 has 288 divisors, whose sum is σ = 364494085885440. Its totient is φ = 30989693396480.

The previous prime is 121023200102081. The next prime is 121023200102209. The reversal of 121023200102100 is 1201002320121.

121023200102100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1210232001021002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121023200102100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2099136874 + ... + 2099194526.

It is an arithmetic number, because the mean of its divisors is an integer number (1265604464880).

Almost surely, 2121023200102100 is an apocalyptic number.

121023200102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121023200102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182247042942720).

121023200102100 is an abundant number, since it is smaller than the sum of its proper divisors (243470885783340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121023200102100 is an equidigital number, since it uses as much as digits as its factorization.

121023200102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57876 (or 57763 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121023200102100 its reverse (1201002320121), we get a palindrome (122224202422221).

The spelling of 121023200102100 in words is "one hundred twenty-one trillion, twenty-three billion, two hundred million, one hundred two thousand, one hundred".