131122220995 has 16 divisors (see below), whose sum is σ = 159744312000. Its totient is φ = 103302707200.

The previous prime is 131122220989. The next prime is 131122221017. The reversal of 131122220995 is 599022221131.

It is not a de Polignac number, because 131122220995 - 2³ = 131122220987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103131 + ... + 522379.

It is an arithmetic number, because the mean of its divisors is an integer number (9984019500).

Almost surely, 2^131122220995 is an apocalyptic number.

131122220995 is a deficient number, since it is larger than the sum of its proper divisors (28622091005).

131122220995 is an equidigital number, since it uses as much as digits as its factorization.

131122220995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420206.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 131122220995 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred twenty thousand, nine hundred ninety-five".