2160011226501 has 48 divisors (see below), whose sum is σ = 3313712443392. Its totient is φ = 1352984925600.

The previous prime is 2160011226481. The next prime is 2160011226517. The reversal of 2160011226501 is 1056221100612.

2160011226501 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 0 + 1 + 1 + 2 + 2 + 650 + 1 = 666.

It is not a de Polignac number, because 2160011226501 - 2⁶ = 2160011226437 is a prime.

It is a super-2 number, since 2×2160011226501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160011226551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3711726 + ... + 4254048.

It is an arithmetic number, because the mean of its divisors is an integer number (69035675904).

Almost surely, 2^{2160011226501} is an apocalyptic number.

It is an amenable number.

2160011226501 is a deficient number, since it is larger than the sum of its proper divisors (1153701216891).

2160011226501 is a wasteful number, since it uses less digits than its factorization.

2160011226501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542694 (or 542691 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 2160011226501 in words is "two trillion, one hundred sixty billion, eleven million, two hundred twenty-six thousand, five hundred one".