99122232131 has 16 divisors (see below), whose sum is σ = 107526854400. Its totient is φ = 90831106080.

The previous prime is 99122232101. The next prime is 99122232151. The reversal of 99122232131 is 13123222199.

It is not a de Polignac number, because 99122232131 - 2¹⁰ = 99122231107 is a prime.

It is a super-2 number, since 2×99122232131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99122232091 and 99122232100.

It is not an unprimeable number, because it can be changed into a prime (99122232101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102796 + ... + 1189286.

It is an arithmetic number, because the mean of its divisors is an integer number (6720428400).

Almost surely, 2^99122232131 is an apocalyptic number.

99122232131 is a deficient number, since it is larger than the sum of its proper divisors (8404622269).

99122232131 is a wasteful number, since it uses less digits than its factorization.

99122232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87146.

The product of its digits is 11664, while the sum is 35.

The spelling of 99122232131 in words is "ninety-nine billion, one hundred twenty-two million, two hundred thirty-two thousand, one hundred thirty-one".