2111011212112 has 80 divisors (see below), whose sum is σ = 4468021653312. Its totient is φ = 958237378560.

The previous prime is 2111011212103. The next prime is 2111011212173. The reversal of 2111011212112 is 2112121101112.

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 15 ways as a sum of consecutive naturals, for example, 637188568 + ... + 637191880.

Almost surely, 2^{2111011212112} is an apocalyptic number.

2111011212112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111011212112 is an abundant number, since it is smaller than the sum of its proper divisors (2357010441200).

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

2111011212112 is a wasteful number, since it uses less digits than its factorization.

2111011212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196 (or 7190 counting only the distinct ones).

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

Adding to 2111011212112 its reverse (2112121101112), we get a palindrome (4223132313224).

The spelling of 2111011212112 in words is "two trillion, one hundred eleven billion, eleven million, two hundred twelve thousand, one hundred twelve".