21113131111322 has 8 divisors (see below), whose sum is σ = 31670950839156. Its totient is φ = 10556147498272.

The previous prime is 21113131111297. The next prime is 21113131111349. The reversal of 21113131111322 is 22311113131112.

It can be written as a sum of positive squares in 2 ways, for example, as 19158925622281 + 1954205489041 = 4377091^2 + 1397929^2 .

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

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, 208965563 + ... + 209066574.

Almost surely, 2^{21113131111322} is an apocalyptic number.

21113131111322 is a deficient number, since it is larger than the sum of its proper divisors (10557819727834).

21113131111322 is a wasteful number, since it uses less digits than its factorization.

21113131111322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418057392.

The product of its digits is 216, while the sum is 23.

Adding to 21113131111322 its reverse (22311113131112), we get a palindrome (43424244242434).

The spelling of 21113131111322 in words is "twenty-one trillion, one hundred thirteen billion, one hundred thirty-one million, one hundred eleven thousand, three hundred twenty-two".