220155405100131 has 16 divisors (see below), whose sum is σ = 301982720921856. Its totient is φ = 142602951525216.

The previous prime is 220155405100129. The next prime is 220155405100201. The reversal of 220155405100131 is 131001504551022.

It is not a de Polignac number, because 220155405100131 - 2¹ = 220155405100129 is a prime.

It is a super-2 number, since 2×220155405100131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220155405100231) 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, 6721465125 + ... + 6721497878.

It is an arithmetic number, because the mean of its divisors is an integer number (18873920057616).

Almost surely, 2^{220155405100131} is an apocalyptic number.

220155405100131 is a deficient number, since it is larger than the sum of its proper divisors (81827315821725).

220155405100131 is a wasteful number, since it uses less digits than its factorization.

220155405100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442963162.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 220155405100131 its reverse (131001504551022), we get a palindrome (351156909651153).

The spelling of 220155405100131 in words is "two hundred twenty trillion, one hundred fifty-five billion, four hundred five million, one hundred thousand, one hundred thirty-one".