111110221012 has 48 divisors (see below), whose sum is σ = 226127332480. Its totient is φ = 46788544512.

The previous prime is 111110221009. The next prime is 111110221073. The reversal of 111110221012 is 210122011111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111110220983 and 111110221001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230368 + ... + 524680.

Almost surely, 2^111110221012 is an apocalyptic number.

It is an amenable number.

111110221012 is an abundant number, since it is smaller than the sum of its proper divisors (115017111468).

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

111110221012 is a wasteful number, since it uses less digits than its factorization.

111110221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294560 (or 294558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111110221012 its reverse (210122011111), we get a palindrome (321232232123).

The spelling of 111110221012 in words is "one hundred eleven billion, one hundred ten million, two hundred twenty-one thousand, twelve".