21013233112222 has 32 divisors (see below), whose sum is σ = 34259376080160. Its totient is φ = 9608455612800.

The previous prime is 21013233112169. The next prime is 21013233112259. The reversal of 21013233112222 is 22221133231012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27684993 + ... + 28433875.

It is an arithmetic number, because the mean of its divisors is an integer number (1070605502505).

Almost surely, 2^{21013233112222} is an apocalyptic number.

21013233112222 is a deficient number, since it is larger than the sum of its proper divisors (13246142967938).

21013233112222 is a wasteful number, since it uses less digits than its factorization.

21013233112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758908.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21013233112222 its reverse (22221133231012), we get a palindrome (43234366343234).

The spelling of 21013233112222 in words is "twenty-one trillion, thirteen billion, two hundred thirty-three million, one hundred twelve thousand, two hundred twenty-two".