221021133010132 has 24 divisors (see below), whose sum is σ = 476045517253376. Its totient is φ = 87436931740128.

The previous prime is 221021133010129. The next prime is 221021133010141. The reversal of 221021133010132 is 231010331120122.

221021133010132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221021133010132² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303600457068 + ... + 303600457795.

Almost surely, 2^{221021133010132} is an apocalyptic number.

It is an amenable number.

221021133010132 is an abundant number, since it is smaller than the sum of its proper divisors (255024384243244).

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

221021133010132 is a wasteful number, since it uses less digits than its factorization.

221021133010132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607200914887 (or 607200914885 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221021133010132 its reverse (231010331120122), we get a palindrome (452031464130254).

The spelling of 221021133010132 in words is "two hundred twenty-one trillion, twenty-one billion, one hundred thirty-three million, ten thousand, one hundred thirty-two".