21132002001299 has 16 divisors (see below), whose sum is σ = 24259883655168. Its totient is φ = 18031381257312.

The previous prime is 21132002001289. The next prime is 21132002001323. The reversal of 21132002001299 is 99210020023112.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21132002001299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21132002001239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57334469 + ... + 57701865.

It is an arithmetic number, because the mean of its divisors is an integer number (1516242728448).

Almost surely, 2^{21132002001299} is an apocalyptic number.

21132002001299 is a deficient number, since it is larger than the sum of its proper divisors (3127881653869).

21132002001299 is a wasteful number, since it uses less digits than its factorization.

21132002001299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404474.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 21132002001299 in words is "twenty-one trillion, one hundred thirty-two billion, two million, one thousand, two hundred ninety-nine".