21032200102002 has 64 divisors (see below), whose sum is σ = 42863442209280. Its totient is φ = 6878753167104.

The previous prime is 21032200101973. The next prime is 21032200102009. The reversal of 21032200102002 is 20020100223012.

It is a happy number.

It is a super-3 number, since 3×21032200102002³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (21032200102009) 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, 79519408 + ... + 79783460.

It is an arithmetic number, because the mean of its divisors is an integer number (669741284520).

Almost surely, 2^{21032200102002} is an apocalyptic number.

21032200102002 is an abundant number, since it is smaller than the sum of its proper divisors (21831242107278).

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

21032200102002 is a wasteful number, since it uses less digits than its factorization.

21032200102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265187.

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

Adding to 21032200102002 its reverse (20020100223012), we get a palindrome (41052300325014).

The spelling of 21032200102002 in words is "twenty-one trillion, thirty-two billion, two hundred million, one hundred two thousand, two".