2102020111112 has 16 divisors (see below), whose sum is σ = 4112648043840. Its totient is φ = 1005313966096.

The previous prime is 2102020111099. The next prime is 2102020111123. The reversal of 2102020111112 is 2111110202012.

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, 5712010988 + ... + 5712011355.

It is an arithmetic number, because the mean of its divisors is an integer number (257040502740).

Almost surely, 2^{2102020111112} is an apocalyptic number.

It is an amenable number.

2102020111112 is a deficient number, since it is larger than the sum of its proper divisors (2010627932728).

2102020111112 is a wasteful number, since it uses less digits than its factorization.

2102020111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424022372 (or 11424022368 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2102020111112 its reverse (2111110202012), we get a palindrome (4213130313124).

The spelling of 2102020111112 in words is "two trillion, one hundred two billion, twenty million, one hundred eleven thousand, one hundred twelve".