Search a number
-
+
11102101222212 = 223471113291180397
BaseRepresentation
bin1010000110001110100011…
…0011001011001101000100
31110022100110112010011120000
42201203220303023031010
52423344100403102322
635340122423041300
72224046263226160
oct241435063131504
943270415104500
1011102101222212
1135a04137883a0
1212b37b32a0230
13626c0135ba40
142a54b76bdca0
15143bd00ed3ac
hexa18e8ccb344

11102101222212 has 480 divisors, whose sum is σ = 40311819313920. Its totient is φ = 2570052602880.

The previous prime is 11102101222207. The next prime is 11102101222217. The reversal of 11102101222212 is 21222210120111.

11102101222212 is a `hidden beast` number, since 1 + 110 + 210 + 122 + 221 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (11102101222207) and next prime (11102101222217).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11102101222217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8815198 + ... + 9995594.

It is an arithmetic number, because the mean of its divisors is an integer number (83982956904).

Almost surely, 211102101222212 is an apocalyptic number.

11102101222212 is a gapful number since it is divisible by the number (12) 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 11102101222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20155909656960).

11102101222212 is an abundant number, since it is smaller than the sum of its proper divisors (29209718091708).

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

11102101222212 is a wasteful number, since it uses less digits than its factorization.

11102101222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180473 (or 1180462 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11102101222212 its reverse (21222210120111), we get a palindrome (32324311342323).

The spelling of 11102101222212 in words is "eleven trillion, one hundred two billion, one hundred one million, two hundred twenty-two thousand, two hundred twelve".