1021112211112 has 64 divisors (see below), whose sum is σ = 2204223840000. Its totient is φ = 434398119936.

The previous prime is 1021112211109. The next prime is 1021112211113. The reversal of 1021112211112 is 2111122111201.

It is not an unprimeable number, because it can be changed into a prime (1021112211113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12969048 + ... + 13047544.

It is an arithmetic number, because the mean of its divisors is an integer number (34440997500).

Almost surely, 2^{1021112211112} is an apocalyptic number.

It is an amenable number.

1021112211112 is an abundant number, since it is smaller than the sum of its proper divisors (1183111628888).

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

1021112211112 is a wasteful number, since it uses less digits than its factorization.

1021112211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80218 (or 80214 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1021112211112 its reverse (2111122111201), we get a palindrome (3132234322313).

The spelling of 1021112211112 in words is "one trillion, twenty-one billion, one hundred twelve million, two hundred eleven thousand, one hundred twelve".