221133102111132 has 48 divisors (see below), whose sum is σ = 538460895974400. Its totient is φ = 70499676563008.

The previous prime is 221133102111127. The next prime is 221133102111139. The reversal of 221133102111132 is 231111201331122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133102111139) 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, 34115823 + ... + 40076870.

It is an arithmetic number, because the mean of its divisors is an integer number (11217935332800).

Almost surely, 2^{221133102111132} is an apocalyptic number.

It is an amenable number.

221133102111132 is an abundant number, since it is smaller than the sum of its proper divisors (317327793863268).

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

221133102111132 is a wasteful number, since it uses less digits than its factorization.

221133102111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74203522 (or 74203520 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 221133102111132 its reverse (231111201331122), we get a palindrome (452244303442254).

The spelling of 221133102111132 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, one hundred two million, one hundred eleven thousand, one hundred thirty-two".