221002001202000 has 160 divisors (see below), whose sum is σ = 722270870455680. Its totient is φ = 58126553625600.

The previous prime is 221002001201987. The next prime is 221002001202013. The reversal of 221002001202000 is 202100200122.

It is an interprime number because it is at equal distance from previous prime (221002001201987) and next prime (221002001202013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251847390 + ... + 252723389.

It is an arithmetic number, because the mean of its divisors is an integer number (4514192940348).

Almost surely, 2^{221002001202000} is an apocalyptic number.

221002001202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002001202000 is an abundant number, since it is smaller than the sum of its proper divisors (501268869253680).

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

221002001202000 is a wasteful number, since it uses less digits than its factorization.

221002001202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504570878 (or 504570862 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221002001202000 its reverse (202100200122), we get a palindrome (221204101402122).

The spelling of 221002001202000 in words is "two hundred twenty-one trillion, two billion, one million, two hundred two thousand".