21070219275 has 108 divisors (see below), whose sum is σ = 44158347792. Its totient is φ = 9575556480.

The previous prime is 21070219241. The next prime is 21070219321. The reversal of 21070219275 is 57291207012.

It is not a de Polignac number, because 21070219275 - 2⁸ = 21070219019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1901802 + ... + 1912848.

Almost surely, 2^21070219275 is an apocalyptic number.

21070219275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21070219275 is an abundant number, since it is smaller than the sum of its proper divisors (23088128517).

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

21070219275 is a wasteful number, since it uses less digits than its factorization.

21070219275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250 (or 11235 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 21070219275 in words is "twenty-one billion, seventy million, two hundred nineteen thousand, two hundred seventy-five".