221114416031551 has 16 divisors (see below), whose sum is σ = 253090475756800. Its totient is φ = 189235591953408.

The previous prime is 221114416031527. The next prime is 221114416031567. The reversal of 221114416031551 is 155130614411122.

It is not a de Polignac number, because 221114416031551 - 2¹¹ = 221114416029503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221114416031551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221114416031851) 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, 9331336 + ... + 23006578.

It is an arithmetic number, because the mean of its divisors is an integer number (15818154734800).

Almost surely, 2^{221114416031551} is an apocalyptic number.

221114416031551 is a deficient number, since it is larger than the sum of its proper divisors (31976059725249).

221114416031551 is a wasteful number, since it uses less digits than its factorization.

221114416031551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13678798.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 221114416031551 in words is "two hundred twenty-one trillion, one hundred fourteen billion, four hundred sixteen million, thirty-one thousand, five hundred fifty-one".