21103000331022 has 48 divisors (see below), whose sum is σ = 47203861086720. Its totient is φ = 6806589728400.

The previous prime is 21103000331009. The next prime is 21103000331099. The reversal of 21103000331022 is 22013300030112.

21103000331022 is a `hidden beast` number, since 2 + 1 + 10 + 300 + 0 + 331 + 0 + 22 = 666.

It is a super-2 number, since 2×21103000331022² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21103000330986 and 21103000331004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2285497 + ... + 6886907.

It is an arithmetic number, because the mean of its divisors is an integer number (983413772640).

Almost surely, 2^{21103000331022} is an apocalyptic number.

21103000331022 is an abundant number, since it is smaller than the sum of its proper divisors (26100860755698).

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

21103000331022 is a wasteful number, since it uses less digits than its factorization.

21103000331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609669 (or 4609666 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21103000331022 its reverse (22013300030112), we get a palindrome (43116300361134).

The spelling of 21103000331022 in words is "twenty-one trillion, one hundred three billion, three hundred thirty-one thousand, twenty-two".