2112423120201 has 16 divisors (see below), whose sum is σ = 2941868704896. Its totient is φ = 1345748359296.

The previous prime is 2112423120167. The next prime is 2112423120209. The reversal of 2112423120201 is 1020213242112.

It is a happy number.

It is not a de Polignac number, because 2112423120201 - 2²⁷ = 2112288902473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112423120209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14747130 + ... + 14889683.

It is an arithmetic number, because the mean of its divisors is an integer number (183866794056).

Almost surely, 2^{2112423120201} is an apocalyptic number.

It is an amenable number.

2112423120201 is a deficient number, since it is larger than the sum of its proper divisors (829445584695).

2112423120201 is a wasteful number, since it uses less digits than its factorization.

2112423120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29637872.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2112423120201 its reverse (1020213242112), we get a palindrome (3132636362313).

The spelling of 2112423120201 in words is "two trillion, one hundred twelve billion, four hundred twenty-three million, one hundred twenty thousand, two hundred one".