21335152110 has 16 divisors (see below), whose sum is σ = 51204365136. Its totient is φ = 5689373888.

The previous prime is 21335152093. The next prime is 21335152151. The reversal of 21335152110 is 1125153312.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355585839 + ... + 355585898.

It is an arithmetic number, because the mean of its divisors is an integer number (3200272821).

Almost surely, 2^21335152110 is an apocalyptic number.

21335152110 is an abundant number, since it is smaller than the sum of its proper divisors (29869213026).

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

21335152110 is a wasteful number, since it uses less digits than its factorization.

21335152110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711171747.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 21335152110 in words is "twenty-one billion, three hundred thirty-five million, one hundred fifty-two thousand, one hundred ten".