1002221022000 has 160 divisors (see below), whose sum is σ = 3524902677504. Its totient is φ = 242962656000.

The previous prime is 1002221021981. The next prime is 1002221022067. The reversal of 1002221022000 is 2201222001.

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

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, 7526584 + ... + 7658583.

Almost surely, 2^{1002221022000} is an apocalyptic number.

1002221022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002221022000 is an abundant number, since it is smaller than the sum of its proper divisors (2522681655504).

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

1002221022000 is a wasteful number, since it uses less digits than its factorization.

1002221022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185204 (or 15185188 counting only the distinct ones).

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

Adding to 1002221022000 its reverse (2201222001), we get a palindrome (1004422244001).

The spelling of 1002221022000 in words is "one trillion, two billion, two hundred twenty-one million, twenty-two thousand".