2111220120112 has 20 divisors (see below), whose sum is σ = 4091552395216. Its totient is φ = 1055335631040.

The previous prime is 2111220120103. The next prime is 2111220120157. The reversal of 2111220120112 is 2110210221112.

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

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, 17088339 + ... + 17211442.

Almost surely, 2^{2111220120112} is an apocalyptic number.

It is an amenable number.

2111220120112 is a deficient number, since it is larger than the sum of its proper divisors (1980332275104).

2111220120112 is a wasteful number, since it uses less digits than its factorization.

2111220120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34303636 (or 34303630 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111220120112 its reverse (2110210221112), we get a palindrome (4221430341224).

The spelling of 2111220120112 in words is "two trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty thousand, one hundred twelve".