2120912111192 has 16 divisors (see below), whose sum is σ = 4544811666960. Its totient is φ = 908962333344.

The previous prime is 2120912111191. The next prime is 2120912111287. The reversal of 2120912111192 is 2911112190212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120912111191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18936715223 + ... + 18936715334.

It is an arithmetic number, because the mean of its divisors is an integer number (284050729185).

Almost surely, 2^{2120912111192} is an apocalyptic number.

It is an amenable number.

2120912111192 is an abundant number, since it is smaller than the sum of its proper divisors (2423899555768).

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

2120912111192 is a wasteful number, since it uses less digits than its factorization.

2120912111192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37873430570 (or 37873430566 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 2120912111192 in words is "two trillion, one hundred twenty billion, nine hundred twelve million, one hundred eleven thousand, one hundred ninety-two".