21103300022 has 32 divisors (see below), whose sum is σ = 36420088320. Its totient is φ = 8983601280.

The previous prime is 21103299991. The next prime is 21103300033. The reversal of 21103300022 is 22000330112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4624622 + ... + 4629182.

It is an arithmetic number, because the mean of its divisors is an integer number (1138127760).

Almost surely, 2^21103300022 is an apocalyptic number.

21103300022 is a deficient number, since it is larger than the sum of its proper divisors (15316788298).

21103300022 is a wasteful number, since it uses less digits than its factorization.

21103300022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21103300022 its reverse (22000330112), we get a palindrome (43103630134).

The spelling of 21103300022 in words is "twenty-one billion, one hundred three million, three hundred thousand, twenty-two".