2120233231091 has 8 divisors (see below), whose sum is σ = 2233513976400. Its totient is φ = 2007121438080.

The previous prime is 2120233231087. The next prime is 2120233231139. The reversal of 2120233231091 is 1901323320212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120233231091 - 2² = 2120233231087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120233231001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42212306 + ... + 42262503.

It is an arithmetic number, because the mean of its divisors is an integer number (279189247050).

Almost surely, 2^{2120233231091} is an apocalyptic number.

2120233231091 is a deficient number, since it is larger than the sum of its proper divisors (113280745309).

2120233231091 is a wasteful number, since it uses less digits than its factorization.

2120233231091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84476149.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 2120233231091 in words is "two trillion, one hundred twenty billion, two hundred thirty-three million, two hundred thirty-one thousand, ninety-one".