111021111020012 has 12 divisors (see below), whose sum is σ = 196469943659640. Its totient is φ = 54886841402976.

The previous prime is 111021111019981. The next prime is 111021111020087. The reversal of 111021111020012 is 210020111120111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155928526358 + ... + 155928527069.

It is an arithmetic number, because the mean of its divisors is an integer number (16372495304970).

Almost surely, 2^{111021111020012} is an apocalyptic number.

It is an amenable number.

111021111020012 is a deficient number, since it is larger than the sum of its proper divisors (85448832639628).

111021111020012 is a wasteful number, since it uses less digits than its factorization.

111021111020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311857053520 (or 311857053518 counting only the distinct ones).

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

Adding to 111021111020012 its reverse (210020111120111), we get a palindrome (321041222140123).

The spelling of 111021111020012 in words is "one hundred eleven trillion, twenty-one billion, one hundred eleven million, twenty thousand, twelve".