1002002101010 has 64 divisors (see below), whose sum is σ = 1836846595584. Its totient is φ = 393477984000.

The previous prime is 1002002100991. The next prime is 1002002101031. The reversal of 1002002101010 is 101012002001.

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, 353189312 + ... + 353192148.

It is an arithmetic number, because the mean of its divisors is an integer number (28700728056).

Almost surely, 2^{1002002101010} is an apocalyptic number.

1002002101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002002101010 is a deficient number, since it is larger than the sum of its proper divisors (834844494574).

1002002101010 is a wasteful number, since it uses less digits than its factorization.

1002002101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1002002101010 its reverse (101012002001), we get a palindrome (1103014103011).

Subtracting from 1002002101010 its reverse (101012002001), we obtain a palindrome (900990099009).

The spelling of 1002002101010 in words is "one trillion, two billion, two million, one hundred one thousand, ten".