21133103123310 has 16 divisors (see below), whose sum is σ = 50719447496016. Its totient is φ = 5635494166208.

The previous prime is 21133103123243. The next prime is 21133103123357. The reversal of 21133103123310 is 1332130133112.

It is a super-2 number, since 2×21133103123310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352218385359 + ... + 352218385418.

It is an arithmetic number, because the mean of its divisors is an integer number (3169965468501).

Almost surely, 2^{21133103123310} is an apocalyptic number.

21133103123310 is an abundant number, since it is smaller than the sum of its proper divisors (29586344372706).

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

21133103123310 is a wasteful number, since it uses less digits than its factorization.

21133103123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704436770787.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21133103123310 its reverse (1332130133112), we get a palindrome (22465233256422).

The spelling of 21133103123310 in words is "twenty-one trillion, one hundred thirty-three billion, one hundred three million, one hundred twenty-three thousand, three hundred ten".