2122123131 has 12 divisors (see below), whose sum is σ = 3178818552. Its totient is φ = 1414748592.

The previous prime is 2122123099. The next prime is 2122123181. The reversal of 2122123131 is 1313212212.

It is not a de Polignac number, because 2122123131 - 2⁵ = 2122123099 is a prime.

It is a super-2 number, since 2×2122123131² = 9006813166250486322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122123181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4366266 + ... + 4366751.

It is an arithmetic number, because the mean of its divisors is an integer number (264901546).

Almost surely, 2^2122123131 is an apocalyptic number.

2122123131 is a deficient number, since it is larger than the sum of its proper divisors (1056695421).

2122123131 is an frugal number, since it uses more digits than its factorization.

2122123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8733032 (or 8733020 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2122123131 is about 46066.5076926828. The cubic root of 2122123131 is about 1285.0603576044.

Adding to 2122123131 its reverse (1313212212), we get a palindrome (3435335343).

The spelling of 2122123131 in words is "two billion, one hundred twenty-two million, one hundred twenty-three thousand, one hundred thirty-one".