2111100021112 has 16 divisors (see below), whose sum is σ = 3958593741360. Its totient is φ = 1055475023424.

The previous prime is 2111100021089. The next prime is 2111100021181. The reversal of 2111100021112 is 2111200011112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2111100021092 and 2111100021101.

It is a congruent number.

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, 9253653 + ... + 9479044.

It is an arithmetic number, because the mean of its divisors is an integer number (247412108835).

Almost surely, 2^{2111100021112} is an apocalyptic number.

It is an amenable number.

2111100021112 is a deficient number, since it is larger than the sum of its proper divisors (1847493720248).

2111100021112 is a wasteful number, since it uses less digits than its factorization.

2111100021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18746790 (or 18746786 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111100021112 its reverse (2111200011112), we get a palindrome (4222300032224).

The spelling of 2111100021112 in words is "two trillion, one hundred eleven billion, one hundred million, twenty-one thousand, one hundred twelve".