211131213320322 has 48 divisors (see below), whose sum is σ = 477412966475640. Its totient is φ = 67348945660416.

The previous prime is 211131213320317. The next prime is 211131213320333. The reversal of 211131213320322 is 223023312131112.

211131213320322 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 3 + 1 + 2 + 1 + 332 + 0 + 322 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 58326533626761 + 152804679693561 = 7637181^2 + 12361419^2 .

It is a super-2 number, since 2×211131213320322² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1789613253 + ... + 1789731224.

Almost surely, 2^{211131213320322} is an apocalyptic number.

211131213320322 is an abundant number, since it is smaller than the sum of its proper divisors (266281753155318).

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

211131213320322 is a wasteful number, since it uses less digits than its factorization.

211131213320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579344627 (or 3579344624 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 211131213320322 its reverse (223023312131112), we get a palindrome (434154525451434).

The spelling of 211131213320322 in words is "two hundred eleven trillion, one hundred thirty-one billion, two hundred thirteen million, three hundred twenty thousand, three hundred twenty-two".