21310133222 has 12 divisors (see below), whose sum is σ = 37184008140. Its totient is φ = 9132914196.

The previous prime is 21310133203. The next prime is 21310133231. The reversal of 21310133222 is 22233101312.

It is a junction number, because it is equal to n+sod(n) for n = 21310133194 and 21310133203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108725072 + ... + 108725267.

It is an arithmetic number, because the mean of its divisors is an integer number (3098667345).

Almost surely, 2^21310133222 is an apocalyptic number.

21310133222 is a deficient number, since it is larger than the sum of its proper divisors (15873874918).

21310133222 is a wasteful number, since it uses less digits than its factorization.

21310133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217450355 (or 217450348 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21310133222 its reverse (22233101312), we get a palindrome (43543234534).

The spelling of 21310133222 in words is "twenty-one billion, three hundred ten million, one hundred thirty-three thousand, two hundred twenty-two".