2002102221100 has 36 divisors (see below), whose sum is σ = 4353268465000. Its totient is φ = 799235976960.

The previous prime is 2002102221083. The next prime is 2002102221137. The reversal of 2002102221100 is 11222012002.

It is a happy number.

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, 20011245 + ... + 20111044.

Almost surely, 2^{2002102221100} is an apocalyptic number.

2002102221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002102221100 is an abundant number, since it is smaller than the sum of its proper divisors (2351166243900).

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

2002102221100 is a wasteful number, since it uses less digits than its factorization.

2002102221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40122802 (or 40122795 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002102221100 its reverse (11222012002), we get a palindrome (2013324233102).

The spelling of 2002102221100 in words is "two trillion, two billion, one hundred two million, two hundred twenty-one thousand, one hundred".