221431416104355 has 16 divisors (see below), whose sum is σ = 355551085224864. Its totient is φ = 117676482103040.

The previous prime is 221431416104279. The next prime is 221431416104377. The reversal of 221431416104355 is 553401614134122.

It is not a de Polignac number, because 221431416104355 - 2²¹ = 221431414007203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26267067684 + ... + 26267076113.

It is an arithmetic number, because the mean of its divisors is an integer number (22221942826554).

Almost surely, 2^{221431416104355} is an apocalyptic number.

221431416104355 is a deficient number, since it is larger than the sum of its proper divisors (134119669120509).

221431416104355 is a wasteful number, since it uses less digits than its factorization.

221431416104355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52534144086.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 221431416104355 in words is "two hundred twenty-one trillion, four hundred thirty-one billion, four hundred sixteen million, one hundred four thousand, three hundred fifty-five".