111021010012 has 24 divisors (see below), whose sum is σ = 211979295360. Its totient is φ = 50456930160.

The previous prime is 111021009973. The next prime is 111021010069. The reversal of 111021010012 is 210010120111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140689 + ... + 491767.

It is an arithmetic number, because the mean of its divisors is an integer number (8832470640).

Almost surely, 2^111021010012 is an apocalyptic number.

It is an amenable number.

111021010012 is a deficient number, since it is larger than the sum of its proper divisors (100958285348).

111021010012 is a wasteful number, since it uses less digits than its factorization.

111021010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358281 (or 358279 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111021010012 its reverse (210010120111), we get a palindrome (321031130123).

The spelling of 111021010012 in words is "one hundred eleven billion, twenty-one million, ten thousand, twelve".