111023012020212 has 48 divisors (see below), whose sum is σ = 288907466299200. Its totient is φ = 36870095679840.

The previous prime is 111023012020189. The next prime is 111023012020247. The reversal of 111023012020212 is 212020210320111.

111023012020212 is a `hidden beast` number, since 1 + 110 + 2 + 301 + 20 + 20 + 212 = 666.

It is a super-2 number, since 2×111023012020212² (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 pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910734614 + ... + 1910792717.

It is an arithmetic number, because the mean of its divisors is an integer number (6018905547900).

Almost surely, 2^{111023012020212} is an apocalyptic number.

111023012020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111023012020212 is an abundant number, since it is smaller than the sum of its proper divisors (177884454278988).

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

111023012020212 is a wasteful number, since it uses less digits than its factorization.

111023012020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821527613 (or 3821527605 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111023012020212 its reverse (212020210320111), we get a palindrome (323043222340323).

The spelling of 111023012020212 in words is "one hundred eleven trillion, twenty-three billion, twelve million, twenty thousand, two hundred twelve".