21121311130322 has 8 divisors (see below), whose sum is σ = 34119041056716. Its totient is φ = 9748297444752.

The previous prime is 21121311130319. The next prime is 21121311130411. The reversal of 21121311130322 is 22303111312112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21115486235281 + 5824895041 = 4595159^2 + 76321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21121311130322² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406179060173 + ... + 406179060224.

Almost surely, 2^{21121311130322} is an apocalyptic number.

21121311130322 is a deficient number, since it is larger than the sum of its proper divisors (12997729926394).

21121311130322 is a wasteful number, since it uses less digits than its factorization.

21121311130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812358120412.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 21121311130322 its reverse (22303111312112), we get a palindrome (43424422442434).

The spelling of 21121311130322 in words is "twenty-one trillion, one hundred twenty-one billion, three hundred eleven million, one hundred thirty thousand, three hundred twenty-two".