21135094102 has 32 divisors (see below), whose sum is σ = 32188608000. Its totient is φ = 10407204000.

The previous prime is 21135094069. The next prime is 21135094147. The reversal of 21135094102 is 20149053112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28142227 + ... + 28142977.

It is an arithmetic number, because the mean of its divisors is an integer number (1005894000).

Almost surely, 2^21135094102 is an apocalyptic number.

21135094102 is a deficient number, since it is larger than the sum of its proper divisors (11053513898).

21135094102 is a wasteful number, since it uses less digits than its factorization.

21135094102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 21135094102 in words is "twenty-one billion, one hundred thirty-five million, ninety-four thousand, one hundred two".