21133313102 has 32 divisors (see below), whose sum is σ = 34779573504. Its totient is φ = 9551203200.

The previous prime is 21133313083. The next prime is 21133313137. The reversal of 21133313102 is 20131333112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7458278 + ... + 7461110.

It is an arithmetic number, because the mean of its divisors is an integer number (1086861672).

Almost surely, 2^21133313102 is an apocalyptic number.

21133313102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21133313102 is a deficient number, since it is larger than the sum of its proper divisors (13646260402).

21133313102 is a wasteful number, since it uses less digits than its factorization.

21133313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21133313102 its reverse (20131333112), we get a palindrome (41264646214).

The spelling of 21133313102 in words is "twenty-one billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred two".