1002012101002 has 16 divisors (see below), whose sum is σ = 1641569447232. Its totient is φ = 454928578720.

The previous prime is 1002012100939. The next prime is 1002012101011. The reversal of 1002012101002 is 2001012102001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002012101002.

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, 26554078 + ... + 26591785.

It is an arithmetic number, because the mean of its divisors is an integer number (102598090452).

Almost surely, 2^{1002012101002} is an apocalyptic number.

1002012101002 is a deficient number, since it is larger than the sum of its proper divisors (639557346230).

1002012101002 is a wasteful number, since it uses less digits than its factorization.

1002012101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53146733.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1002012101002 its reverse (2001012102001), we get a palindrome (3003024203003).

Subtracting 1002012101002 from its reverse (2001012102001), we obtain a palindrome (999000000999).

The spelling of 1002012101002 in words is "one trillion, two billion, twelve million, one hundred one thousand, two".