21210011202002 has 24 divisors (see below), whose sum is σ = 37570758680448. Its totient is φ = 8796778833960.

The previous prime is 21210011201983. The next prime is 21210011202041. The reversal of 21210011202002 is 20020211001212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788228378 + ... + 788255285.

It is an arithmetic number, because the mean of its divisors is an integer number (1565448278352).

Almost surely, 2^{21210011202002} is an apocalyptic number.

21210011202002 is a deficient number, since it is larger than the sum of its proper divisors (16360747478446).

21210011202002 is a wasteful number, since it uses less digits than its factorization.

21210011202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576483734 (or 1576483703 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21210011202002 its reverse (20020211001212), we get a palindrome (41230222203214).

The spelling of 21210011202002 in words is "twenty-one trillion, two hundred ten billion, eleven million, two hundred two thousand, two".