1002202111001 has 32 divisors (see below), whose sum is σ = 1306255104000. Its totient is φ = 746182388736.

The previous prime is 1002202110997. The next prime is 1002202111003. The reversal of 1002202111001 is 1001112022001.

It is a cyclic number.

It is not a de Polignac number, because 1002202111001 - 2² = 1002202110997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002202111003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9798875 + ... + 9900623.

It is an arithmetic number, because the mean of its divisors is an integer number (40820472000).

Almost surely, 2^{1002202111001} is an apocalyptic number.

It is an amenable number.

1002202111001 is a deficient number, since it is larger than the sum of its proper divisors (304052992999).

1002202111001 is a wasteful number, since it uses less digits than its factorization.

1002202111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108153.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002202111001 its reverse (1001112022001), we get a palindrome (2003314133002).

The spelling of 1002202111001 in words is "one trillion, two billion, two hundred two million, one hundred eleven thousand, one".