1002001202102 has 4 divisors (see below), whose sum is σ = 1503001803156. Its totient is φ = 501000601050.

The previous prime is 1002001201969. The next prime is 1002001202131. The reversal of 1002001202102 is 2012021002001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250500300524 + ... + 250500300527.

It is an arithmetic number, because the mean of its divisors is an integer number (375750450789).

Almost surely, 2^{1002001202102} is an apocalyptic number.

1002001202102 is a deficient number, since it is larger than the sum of its proper divisors (501000601054).

1002001202102 is an equidigital number, since it uses as much as digits as its factorization.

1002001202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501000601053.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002001202102 its reverse (2012021002001), we get a palindrome (3014022204103).

The spelling of 1002001202102 in words is "one trillion, two billion, one million, two hundred two thousand, one hundred two".