231120132099 has 16 divisors (see below), whose sum is σ = 315345888000. Its totient is φ = 150487668576.

The previous prime is 231120132091. The next prime is 231120132161. The reversal of 231120132099 is 990231021132.

It is not a de Polignac number, because 231120132099 - 2³ = 231120132091 is a prime.

It is a super-2 number, since 2×231120132099² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231120132091) 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, 2554762 + ... + 2643680.

It is an arithmetic number, because the mean of its divisors is an integer number (19709118000).

Almost surely, 2^231120132099 is an apocalyptic number.

231120132099 is a deficient number, since it is larger than the sum of its proper divisors (84225755901).

231120132099 is a wasteful number, since it uses less digits than its factorization.

231120132099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109114.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 231120132099 in words is "two hundred thirty-one billion, one hundred twenty million, one hundred thirty-two thousand, ninety-nine".