221450265264130 has 64 divisors (see below), whose sum is σ = 461152206160128. Its totient is φ = 74993341040640.

The previous prime is 221450265264079. The next prime is 221450265264133. The reversal of 221450265264130 is 31462562054122.

It is not an unprimeable number, because it can be changed into a prime (221450265264133) 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, 20146534 + ... + 29133886.

It is an arithmetic number, because the mean of its divisors is an integer number (7205503221252).

Almost surely, 2^{221450265264130} is an apocalyptic number.

221450265264130 is an abundant number, since it is smaller than the sum of its proper divisors (239701940895998).

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

221450265264130 is a wasteful number, since it uses less digits than its factorization.

221450265264130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991691.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 221450265264130 in words is "two hundred twenty-one trillion, four hundred fifty billion, two hundred sixty-five million, two hundred sixty-four thousand, one hundred thirty".