111020102012 has 24 divisors (see below), whose sum is σ = 205824137904. Its totient is φ = 52216710912.

The previous prime is 111020102009. The next prime is 111020102023. The reversal of 111020102012 is 210201020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020101984 and 111020102002.

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, 310283 + ... + 564194.

It is an arithmetic number, because the mean of its divisors is an integer number (8576005746).

Almost surely, 2^111020102012 is an apocalyptic number.

It is an amenable number.

111020102012 is a deficient number, since it is larger than the sum of its proper divisors (94804035892).

111020102012 is a wasteful number, since it uses less digits than its factorization.

111020102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876365 (or 876363 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111020102012 its reverse (210201020111), we get a palindrome (321221122123).

The spelling of 111020102012 in words is "one hundred eleven billion, twenty million, one hundred two thousand, twelve".