21033113323122 has 96 divisors (see below), whose sum is σ = 46521442461312. Its totient is φ = 6866803786752.

The previous prime is 21033113323099. The next prime is 21033113323129. The reversal of 21033113323122 is 22132331133012.

21033113323122 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 3 + 11 + 332 + 312 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (21033113323129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66030228 + ... + 66348000.

It is an arithmetic number, because the mean of its divisors is an integer number (484598358972).

Almost surely, 2^{21033113323122} is an apocalyptic number.

21033113323122 is an abundant number, since it is smaller than the sum of its proper divisors (25488329138190).

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

21033113323122 is a wasteful number, since it uses less digits than its factorization.

21033113323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318272 (or 318269 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 21033113323122 its reverse (22132331133012), we get a palindrome (43165444456134).

The spelling of 21033113323122 in words is "twenty-one trillion, thirty-three billion, one hundred thirteen million, three hundred twenty-three thousand, one hundred twenty-two".