21002132200002 has 16 divisors (see below), whose sum is σ = 42005191842432. Its totient is φ = 7000556159600.

The previous prime is 21002132199977. The next prime is 21002132200079. The reversal of 21002132200002 is 20000223120012.

It is a happy 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, 38348874 + ... + 38892677.

It is an arithmetic number, because the mean of its divisors is an integer number (2625324490152).

Almost surely, 2^{21002132200002} is an apocalyptic number.

21002132200002 is an abundant number, since it is smaller than the sum of its proper divisors (21003059642430).

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

21002132200002 is a wasteful number, since it uses less digits than its factorization.

21002132200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77286873.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21002132200002 its reverse (20000223120012), we get a palindrome (41002355320014).

The spelling of 21002132200002 in words is "twenty-one trillion, two billion, one hundred thirty-two million, two hundred thousand, two".