21132211320202 has 16 divisors (see below), whose sum is σ = 32010676254720. Its totient is φ = 10462312809648.

The previous prime is 21132211320191. The next prime is 21132211320217. The reversal of 21132211320202 is 20202311223112.

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, 81597318 + ... + 81855889.

It is an arithmetic number, because the mean of its divisors is an integer number (2000667265920).

Almost surely, 2^{21132211320202} is an apocalyptic number.

21132211320202 is a deficient number, since it is larger than the sum of its proper divisors (10878464934518).

21132211320202 is a wasteful number, since it uses less digits than its factorization.

21132211320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163453845.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21132211320202 its reverse (20202311223112), we get a palindrome (41334522543314).

The spelling of 21132211320202 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred eleven million, three hundred twenty thousand, two hundred two".