1002102221002 has 16 divisors (see below), whose sum is σ = 1619063566560. Its totient is φ = 463640928912.

The previous prime is 1002102220993. The next prime is 1002102221033. The reversal of 1002102221002 is 2001222012001.

It is a happy number.

1002102221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1002102221002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306639193 + ... + 306642460.

It is an arithmetic number, because the mean of its divisors is an integer number (101191472910).

Almost surely, 2^{1002102221002} is an apocalyptic number.

1002102221002 is a deficient number, since it is larger than the sum of its proper divisors (616961345558).

1002102221002 is a wasteful number, since it uses less digits than its factorization.

1002102221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613281717.

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

Adding to 1002102221002 its reverse (2001222012001), we get a palindrome (3003324233003).

The spelling of 1002102221002 in words is "one trillion, two billion, one hundred two million, two hundred twenty-one thousand, two".