221160614311 has 16 divisors (see below), whose sum is σ = 272650654528. Its totient is φ = 174693024000.

The previous prime is 221160614299. The next prime is 221160614359. The reversal of 221160614311 is 113416061122.

It is a cyclic number.

It is not a de Polignac number, because 221160614311 - 2⁷ = 221160614183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221160614311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221160614611) 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, 1967220 + ... + 2076601.

It is an arithmetic number, because the mean of its divisors is an integer number (17040665908).

Almost surely, 2^221160614311 is an apocalyptic number.

221160614311 is a deficient number, since it is larger than the sum of its proper divisors (51490040217).

221160614311 is a wasteful number, since it uses less digits than its factorization.

221160614311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044442.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 221160614311 its reverse (113416061122), we get a palindrome (334576675433).

The spelling of 221160614311 in words is "two hundred twenty-one billion, one hundred sixty million, six hundred fourteen thousand, three hundred eleven".