21333323102 has 32 divisors (see below), whose sum is σ = 39790656192. Its totient is φ = 8352543744.

The previous prime is 21333323093. The next prime is 21333323117. The reversal of 21333323102 is 20132333312.

It is a super-2 number, since 2×21333323102² (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, 586553 + ... + 621860.

It is an arithmetic number, because the mean of its divisors is an integer number (1243458006).

Almost surely, 2^21333323102 is an apocalyptic number.

21333323102 is a deficient number, since it is larger than the sum of its proper divisors (18457333090).

21333323102 is a wasteful number, since it uses less digits than its factorization.

21333323102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208532.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21333323102 its reverse (20132333312), we get a palindrome (41465656414).

The spelling of 21333323102 in words is "twenty-one billion, three hundred thirty-three million, three hundred twenty-three thousand, one hundred two".