111022120120212 has 72 divisors (see below), whose sum is σ = 320892637665600. Its totient is φ = 31704577003008.

The previous prime is 111022120120201. The next prime is 111022120120273. The reversal of 111022120120212 is 212021021220111.

111022120120212 is a `hidden beast` number, since 1 + 1 + 10 + 221 + 201 + 20 + 212 = 666.

111022120120212 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 2×111022120120212² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110811037 + ... + 111808452.

It is an arithmetic number, because the mean of its divisors is an integer number (4456842189800).

Almost surely, 2^{111022120120212} is an apocalyptic number.

111022120120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111022120120212 is an abundant number, since it is smaller than the sum of its proper divisors (209870517545388).

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

111022120120212 is a wasteful number, since it uses less digits than its factorization.

111022120120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222621485 (or 222621480 counting only the distinct ones).

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

Adding to 111022120120212 its reverse (212021021220111), we get a palindrome (323043141340323).

The spelling of 111022120120212 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".