1002202121201 has 12 divisors (see below), whose sum is σ = 1064928354000. Its totient is φ = 942978527040.

The previous prime is 1002202121191. The next prime is 1002202121237. The reversal of 1002202121201 is 1021212022001.

It is a de Polignac number, because none of the positive numbers 2^k-1002202121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002202121281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515666 + ... + 1506756.

It is an arithmetic number, because the mean of its divisors is an integer number (88744029500).

Almost surely, 2^{1002202121201} is an apocalyptic number.

It is an amenable number.

1002202121201 is a deficient number, since it is larger than the sum of its proper divisors (62726232799).

1002202121201 is an equidigital number, since it uses as much as digits as its factorization.

1002202121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994624 (or 994607 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002202121201 its reverse (1021212022001), we get a palindrome (2023414143202).

The spelling of 1002202121201 in words is "one trillion, two billion, two hundred two million, one hundred twenty-one thousand, two hundred one".