1002000021022 has 64 divisors (see below), whose sum is σ = 2056089982464. Its totient is φ = 353560371840.

The previous prime is 1002000021017. The next prime is 1002000021037. The reversal of 1002000021022 is 2201200002001.

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, 4615588 + ... + 4827799.

It is an arithmetic number, because the mean of its divisors is an integer number (32126405976).

Almost surely, 2^{1002000021022} is an apocalyptic number.

1002000021022 is an abundant number, since it is smaller than the sum of its proper divisors (1054089961442).

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

1002000021022 is a wasteful number, since it uses less digits than its factorization.

1002000021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443473.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1002000021022 its reverse (2201200002001), we get a palindrome (3203200023023).

The spelling of 1002000021022 in words is "one trillion, two billion, twenty-one thousand, twenty-two".