111021102202212 has 24 divisors (see below), whose sum is σ = 287832487191200. Its totient is φ = 37007034067368.

The previous prime is 111021102202181. The next prime is 111021102202243. The reversal of 111021102202212 is 212202201120111.

111021102202212 is a `hidden beast` number, since 1 + 1 + 10 + 211 + 0 + 220 + 221 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (111021102202181) and next prime (111021102202243).

It is a super-2 number, since 2×111021102202212² (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).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513986584162 + ... + 513986584377.

Almost surely, 2^{111021102202212} is an apocalyptic number.

111021102202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111021102202212 is an abundant number, since it is smaller than the sum of its proper divisors (176811384988988).

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

111021102202212 is a wasteful number, since it uses less digits than its factorization.

111021102202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027973168552 (or 1027973168544 counting only the distinct ones).

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

Adding to 111021102202212 its reverse (212202201120111), we get a palindrome (323223303322323).

The spelling of 111021102202212 in words is "one hundred eleven trillion, twenty-one billion, one hundred two million, two hundred two thousand, two hundred twelve".