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10121000011001 = 1110117375170117
BaseRepresentation
bin1001001101000111101010…
…0111000100010011111001
31022211120001220002200112022
42103101322213010103321
52311310302000323001
633305305003124225
72063134546434545
oct223217247042371
938746056080468
1010121000011001
11325232371a210
121175626513675
13585538584a79
1426dc051c6a25
1512840cacd11b
hex9347a9c44f9

10121000011001 has 32 divisors (see below), whose sum is σ = 11229955278336. Its totient is φ = 9044964000000.

The previous prime is 10121000010973. The next prime is 10121000011061. The reversal of 10121000011001 is 10011000012101.

It is a happy number.

10121000011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10121000011001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10121000011001.

It is not an unprimeable number, because it can be changed into a prime (10121000011061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144309395 + ... + 144379511.

It is an arithmetic number, because the mean of its divisors is an integer number (350936102448).

Almost surely, 210121000011001 is an apocalyptic number.

10121000011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10121000011001 is a deficient number, since it is larger than the sum of its proper divisors (1108955267335).

10121000011001 is a wasteful number, since it uses less digits than its factorization.

10121000011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71153.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10121000011001 its reverse (10011000012101), we get a palindrome (20132000023102).

The spelling of 10121000011001 in words is "ten trillion, one hundred twenty-one billion, eleven thousand, one".

Divisors: 1 11 101 173 751 1111 1903 8261 17473 70117 75851 129923 192203 771287 834361 1429153 7081817 12130241 13122223 52657867 77899987 133432651 144344453 579236537 1225154341 5318444567 9109810991 13476697751 58502890237 100207920901 920090910091 10121000011001