1002111202001 has 32 divisors (see below), whose sum is σ = 1235387596800. Its totient is φ = 791581792320.

The previous prime is 1002111201991. The next prime is 1002111202033. The reversal of 1002111202001 is 1002021112001.

It is a cyclic number.

It is not a de Polignac number, because 1002111202001 - 2²⁶ = 1002044093137 is a prime.

It is a super-2 number, since 2×1002111202001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002111202501) 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, 221752820 + ... + 221757338.

It is an arithmetic number, because the mean of its divisors is an integer number (38605862400).

Almost surely, 2^{1002111202001} is an apocalyptic number.

It is an amenable number.

1002111202001 is a deficient number, since it is larger than the sum of its proper divisors (233276394799).

1002111202001 is a wasteful number, since it uses less digits than its factorization.

1002111202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7989.

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

Adding to 1002111202001 its reverse (1002021112001), we get a palindrome (2004132314002).

The spelling of 1002111202001 in words is "one trillion, two billion, one hundred eleven million, two hundred two thousand, one".