111010011221012 has 48 divisors (see below), whose sum is σ = 198028621324800. Its totient is φ = 54431424627840.

The previous prime is 111010011221009. The next prime is 111010011221027. The reversal of 111010011221012 is 210122110010111.

It is a super-2 number, since 2×111010011221012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4553497439 + ... + 4553521817.

It is an arithmetic number, because the mean of its divisors is an integer number (4125596277600).

Almost surely, 2^{111010011221012} is an apocalyptic number.

It is an amenable number.

111010011221012 is a deficient number, since it is larger than the sum of its proper divisors (87018610103788).

111010011221012 is a wasteful number, since it uses less digits than its factorization.

111010011221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33936 (or 33934 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111010011221012 its reverse (210122110010111), we get a palindrome (321132121231123).

The spelling of 111010011221012 in words is "one hundred eleven trillion, ten billion, eleven million, two hundred twenty-one thousand, twelve".