1002202100001 has 12 divisors (see below), whose sum is σ = 1452280003200. Its totient is φ = 665986388280.

The previous prime is 1002202099963. The next prime is 1002202100117. The reversal of 1002202100001 is 1000012022001.

It is not a de Polignac number, because 1002202100001 - 2³³ = 993612165409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1002202170001) 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, 179025801 + ... + 179031398.

It is an arithmetic number, because the mean of its divisors is an integer number (121023333600).

Almost surely, 2^{1002202100001} is an apocalyptic number.

It is an amenable number.

1002202100001 is a deficient number, since it is larger than the sum of its proper divisors (450077903199).

1002202100001 is a wasteful number, since it uses less digits than its factorization.

1002202100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358057516 (or 358057513 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1002202100001 its reverse (1000012022001), we get a palindrome (2002214122002).

The spelling of 1002202100001 in words is "one trillion, two billion, two hundred two million, one hundred thousand, one".