21010528000002 has 64 divisors (see below), whose sum is σ = 45670567219200. Its totient is φ = 6419325349440.

The previous prime is 21010528000001. The next prime is 21010528000009. The reversal of 21010528000002 is 20000082501012.

It is a happy number.

It is a super-2 number, since 2×21010528000002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21010528000001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13975749 + ... + 15405927.

It is an arithmetic number, because the mean of its divisors is an integer number (713602612800).

Almost surely, 2^{21010528000002} is an apocalyptic number.

21010528000002 is an abundant number, since it is smaller than the sum of its proper divisors (24660039219198).

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

21010528000002 is a wasteful number, since it uses less digits than its factorization.

21010528000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434391.

The product of its (nonzero) digits is 320, while the sum is 21.

The spelling of 21010528000002 in words is "twenty-one trillion, ten billion, five hundred twenty-eight million, two", and thus it is an aban number.