221414207764071 has 32 divisors (see below), whose sum is σ = 356771280531456. Its totient is φ = 119454669792000.

The previous prime is 221414207764049. The next prime is 221414207764147. The reversal of 221414207764071 is 170467702414122.

It is not a de Polignac number, because 221414207764071 - 2¹³ = 221414207755879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221414207764071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221414207764031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4147704900 + ... + 4147758281.

It is an arithmetic number, because the mean of its divisors is an integer number (11149102516608).

Almost surely, 2^{221414207764071} is an apocalyptic number.

221414207764071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

221414207764071 is a deficient number, since it is larger than the sum of its proper divisors (135357072767385).

221414207764071 is a wasteful number, since it uses less digits than its factorization.

221414207764071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8295463263.

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 221414207764071 in words is "two hundred twenty-one trillion, four hundred fourteen billion, two hundred seven million, seven hundred sixty-four thousand, seventy-one".