21333321102 has 32 divisors (see below), whose sum is σ = 43929254304. Its totient is φ = 6901632000.

The previous prime is 21333321047. The next prime is 21333321137. The reversal of 21333321102 is 20112333312.

It is a super-2 number, since 2×21333321102² (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 30799 + ... + 208842.

It is an arithmetic number, because the mean of its divisors is an integer number (1372789197).

Almost surely, 2^21333321102 is an apocalyptic number.

21333321102 is an abundant number, since it is smaller than the sum of its proper divisors (22595933202).

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

21333321102 is a wasteful number, since it uses less digits than its factorization.

21333321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240084.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21333321102 its reverse (20112333312), we get a palindrome (41445654414).

The spelling of 21333321102 in words is "twenty-one billion, three hundred thirty-three million, three hundred twenty-one thousand, one hundred two".