1002102221001 has 16 divisors (see below), whose sum is σ = 1527028168064. Its totient is φ = 572624118144.

The previous prime is 1002102220993. The next prime is 1002102221033. The reversal of 1002102221001 is 1001222012001.

1002102221001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002102221001 - 2³ = 1002102220993 is a prime.

It is a super-2 number, since 2×1002102221001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002102221801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2833335 + ... + 3167331.

It is an arithmetic number, because the mean of its divisors is an integer number (95439260504).

Almost surely, 2^{1002102221001} is an apocalyptic number.

It is an amenable number.

1002102221001 is a deficient number, since it is larger than the sum of its proper divisors (524925947063).

1002102221001 is a wasteful number, since it uses less digits than its factorization.

1002102221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476880.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002102221001 its reverse (1001222012001), we get a palindrome (2003324233002).

The spelling of 1002102221001 in words is "one trillion, two billion, one hundred two million, two hundred twenty-one thousand, one".