111021011022012 has 96 divisors (see below), whose sum is σ = 319555834752000. Its totient is φ = 29213568870912.

The previous prime is 111021011022001. The next prime is 111021011022041. The reversal of 111021011022012 is 210220110120111.

It is a happy number.

It is a super-3 number, since 3×111021011022012³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111021011021982 and 111021011022000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115315137 + ... + 116273912.

It is an arithmetic number, because the mean of its divisors is an integer number (3328706612000).

Almost surely, 2^{111021011022012} is an apocalyptic number.

111021011022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111021011022012 is an abundant number, since it is smaller than the sum of its proper divisors (208534823729988).

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

111021011022012 is a wasteful number, since it uses less digits than its factorization.

111021011022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231589515 (or 231589513 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111021011022012 its reverse (210220110120111), we get a palindrome (321241121142123).

The spelling of 111021011022012 in words is "one hundred eleven trillion, twenty-one billion, eleven million, twenty-two thousand, twelve".