21122302330112 has 36 divisors (see below), whose sum is σ = 42162647108820. Its totient is φ = 10561013035008.

The previous prime is 21122302330099. The next prime is 21122302330153. The reversal of 21122302330112 is 21103320322112.

It can be written as a sum of positive squares in 2 ways, for example, as 13079043318016 + 8043259012096 = 3616496^2 + 2836064^2 .

It is a congruent number.

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, 20701964 + ... + 21698292.

Almost surely, 2^{21122302330112} is an apocalyptic number.

It is an amenable number.

21122302330112 is a deficient number, since it is larger than the sum of its proper divisors (21040344778708).

21122302330112 is an frugal number, since it uses more digits than its factorization.

21122302330112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079158 (or 1079144 counting only the distinct ones).

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

Adding to 21122302330112 its reverse (21103320322112), we get a palindrome (42225622652224).

The spelling of 21122302330112 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred two million, three hundred thirty thousand, one hundred twelve".