21021033113322 has 32 divisors (see below), whose sum is σ = 45864236275200. Its totient is φ = 6369987252720.

The previous prime is 21021033113261. The next prime is 21021033113323. The reversal of 21021033113322 is 22331133012012.

It is a junction number, because it is equal to n+sod(n) for n = 21021033113292 and 21021033113301.

It is not an unprimeable number, because it can be changed into a prime (21021033113323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32207179 + ... + 32853377.

It is an arithmetic number, because the mean of its divisors is an integer number (1433257383600).

Almost surely, 2^{21021033113322} is an apocalyptic number.

21021033113322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21021033113322 is an abundant number, since it is smaller than the sum of its proper divisors (24843203161878).

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

21021033113322 is a wasteful number, since it uses less digits than its factorization.

21021033113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139098.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21021033113322 its reverse (22331133012012), we get a palindrome (43352166125334).

The spelling of 21021033113322 in words is "twenty-one trillion, twenty-one billion, thirty-three million, one hundred thirteen thousand, three hundred twenty-two".