21211230301322 has 16 divisors (see below), whose sum is σ = 31844250590472. Its totient is φ = 10596484039680.

The previous prime is 21211230301319. The next prime is 21211230301357. The reversal of 21211230301322 is 22310303211212.

It can be written as a sum of positive squares in 4 ways, for example, as 14562779486641 + 6648450814681 = 3816121^2 + 2578459^2 .

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, 9824372 + ... + 11787312.

Almost surely, 2^{21211230301322} is an apocalyptic number.

21211230301322 is a deficient number, since it is larger than the sum of its proper divisors (10633020289150).

21211230301322 is a wasteful number, since it uses less digits than its factorization.

21211230301322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967593.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21211230301322 its reverse (22310303211212), we get a palindrome (43521533512534).

The spelling of 21211230301322 in words is "twenty-one trillion, two hundred eleven billion, two hundred thirty million, three hundred one thousand, three hundred twenty-two".