221610516102151 has 16 divisors (see below), whose sum is σ = 242561561950368. Its totient is φ = 200794676284800.

The previous prime is 221610516102139. The next prime is 221610516102193. The reversal of 221610516102151 is 151201615016122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221610516102151 is a prime.

It is a super-2 number, since 2×221610516102151² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221610516102251) by changing a digit.

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, 23474280 + ... + 31531933.

It is an arithmetic number, because the mean of its divisors is an integer number (15160097621898).

Almost surely, 2^{221610516102151} is an apocalyptic number.

221610516102151 is a deficient number, since it is larger than the sum of its proper divisors (20951045848217).

221610516102151 is a wasteful number, since it uses less digits than its factorization.

221610516102151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55007442.

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 221610516102151 in words is "two hundred twenty-one trillion, six hundred ten billion, five hundred sixteen million, one hundred two thousand, one hundred fifty-one".