2122321131 has 12 divisors (see below), whose sum is σ = 3503514352. Its totient is φ = 1212754896.

The previous prime is 2122321129. The next prime is 2122321153. The reversal of 2122321131 is 1311232212.

2122321131 is a `hidden beast` number, since 212 + 2 + 321 + 131 = 666.

It is not a de Polignac number, because 2122321131 - 2¹ = 2122321129 is a prime.

It is a super-2 number, since 2×2122321131² = 9008493966178238322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122321121) 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, 16843756 + ... + 16843881.

Almost surely, 2^2122321131 is an apocalyptic number.

2122321131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2122321131 is a deficient number, since it is larger than the sum of its proper divisors (1381193221).

2122321131 is a wasteful number, since it uses less digits than its factorization.

2122321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33687650 (or 33687647 counting only the distinct ones).

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

The square root of 2122321131 is about 46068.6567093073. The cubic root of 2122321131 is about 1285.1003229319.

Adding to 2122321131 its reverse (1311232212), we get a palindrome (3433553343).

The spelling of 2122321131 in words is "two billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred thirty-one".