221760730751131 has 64 divisors (see below), whose sum is σ = 275516959334400. Its totient is φ = 175705764595200.

The previous prime is 221760730751113. The next prime is 221760730751179. The reversal of 221760730751131 is 131157037067122.

It is not a de Polignac number, because 221760730751131 - 2¹¹ = 221760730749083 is a prime.

It is a super-2 number, since 2×221760730751131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221760730751101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44359885 + ... + 49105201.

It is an arithmetic number, because the mean of its divisors is an integer number (4304952489600).

Almost surely, 2^{221760730751131} is an apocalyptic number.

221760730751131 is a deficient number, since it is larger than the sum of its proper divisors (53756228583269).

221760730751131 is a wasteful number, since it uses less digits than its factorization.

221760730751131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745620.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 221760730751131 in words is "two hundred twenty-one trillion, seven hundred sixty billion, seven hundred thirty million, seven hundred fifty-one thousand, one hundred thirty-one".