221411760451136 has 56 divisors (see below), whose sum is σ = 465843567030840. Its totient is φ = 104051622223872.

The previous prime is 221411760451117. The next prime is 221411760451177. The reversal of 221411760451136 is 631154067114122.

It can be written as a sum of positive squares in 4 ways, for example, as 159776071745536 + 61635688705600 = 12640256^2 + 7850840^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 138017951 + ... + 139612958.

Almost surely, 2^{221411760451136} is an apocalyptic number.

It is an amenable number.

221411760451136 is an abundant number, since it is smaller than the sum of its proper divisors (244431806579704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221411760451136 is a wasteful number, since it uses less digits than its factorization.

221411760451136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277631671 (or 277631661 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 221411760451136 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred sixty million, four hundred fifty-one thousand, one hundred thirty-six".