2132312022121 has 4 divisors (see below), whose sum is σ = 2132319061072. Its totient is φ = 2132304983172.

The previous prime is 2132312022109. The next prime is 2132312022157. The reversal of 2132312022121 is 1212202132312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132312022121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2132312022092 and 2132312022101.

It is not an unprimeable number, because it can be changed into a prime (2132312022221) 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, 3043635 + ... + 3678088.

It is an arithmetic number, because the mean of its divisors is an integer number (533079765268).

Almost surely, 2^{2132312022121} is an apocalyptic number.

It is an amenable number.

2132312022121 is a deficient number, since it is larger than the sum of its proper divisors (7038951).

2132312022121 is an equidigital number, since it uses as much as digits as its factorization.

2132312022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038950.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2132312022121 its reverse (1212202132312), we get a palindrome (3344514154433).

The spelling of 2132312022121 in words is "two trillion, one hundred thirty-two billion, three hundred twelve million, twenty-two thousand, one hundred twenty-one".