2111211120112 has 20 divisors (see below), whose sum is σ = 4091787328840. Its totient is φ = 1055266003008.

The previous prime is 2111211120107. The next prime is 2111211120133. The reversal of 2111211120112 is 2110211121112.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 21171018 + ... + 21270505.

It is an arithmetic number, because the mean of its divisors is an integer number (204589366442).

Almost surely, 2^{2111211120112} is an apocalyptic number.

It is an amenable number.

2111211120112 is a deficient number, since it is larger than the sum of its proper divisors (1980576208728).

2111211120112 is a wasteful number, since it uses less digits than its factorization.

2111211120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42444640 (or 42444634 counting only the distinct ones).

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

Adding to 2111211120112 its reverse (2110211121112), we get a palindrome (4221422241224).

The spelling of 2111211120112 in words is "two trillion, one hundred eleven billion, two hundred eleven million, one hundred twenty thousand, one hundred twelve".