21113321322 has 64 divisors (see below), whose sum is σ = 45980121600. Its totient is φ = 6440316480.

The previous prime is 21113321321. The next prime is 21113321353. The reversal of 21113321322 is 22312331112.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (21113321321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568297 + ... + 604307.

It is an arithmetic number, because the mean of its divisors is an integer number (718439400).

Almost surely, 2^21113321322 is an apocalyptic number.

21113321322 is an abundant number, since it is smaller than the sum of its proper divisors (24866800278).

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

21113321322 is a wasteful number, since it uses less digits than its factorization.

21113321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36211.

The product of its digits is 432, while the sum is 21.

Adding to 21113321322 its reverse (22312331112), we get a palindrome (43425652434).

The spelling of 21113321322 in words is "twenty-one billion, one hundred thirteen million, three hundred twenty-one thousand, three hundred twenty-two".