111100212222102 has 12 divisors (see below), whose sum is σ = 240717126481260. Its totient is φ = 37033404074028.

The previous prime is 111100212222091. The next prime is 111100212222149. The reversal of 111100212222102 is 201222212001111.

111100212222102 is a `hidden beast` number, since 111 + 100 + 21 + 222 + 210 + 2 = 666.

It is a super-2 number, since 2×111100212222102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6172234012339 = 111100212222102 / (1 + 1 + 1 + 1 + 0 + 0 + 2 + 1 + 2 + 2 + 2 + 2 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086117006152 + ... + 3086117006187.

It is an arithmetic number, because the mean of its divisors is an integer number (20059760540105).

Almost surely, 2^{111100212222102} is an apocalyptic number.

111100212222102 is an abundant number, since it is smaller than the sum of its proper divisors (129616914259158).

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

111100212222102 is a wasteful number, since it uses less digits than its factorization.

111100212222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172234012347 (or 6172234012344 counting only the distinct ones).

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

Adding to 111100212222102 its reverse (201222212001111), we get a palindrome (312322424223213).

The spelling of 111100212222102 in words is "one hundred eleven trillion, one hundred billion, two hundred twelve million, two hundred twenty-two thousand, one hundred two".