1002100111197 has 4 divisors (see below), whose sum is σ = 1336133481600. Its totient is φ = 668066740796.

The previous prime is 1002100111189. The next prime is 1002100111211. The reversal of 1002100111197 is 7911110012001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002100111197 - 2³ = 1002100111189 is a prime.

It is a super-2 number, since 2×1002100111197² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002100111697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167016685197 + ... + 167016685202.

It is an arithmetic number, because the mean of its divisors is an integer number (334033370400).

Almost surely, 2^{1002100111197} is an apocalyptic number.

It is an amenable number.

1002100111197 is a deficient number, since it is larger than the sum of its proper divisors (334033370403).

1002100111197 is an equidigital number, since it uses as much as digits as its factorization.

1002100111197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334033370402.

The product of its (nonzero) digits is 126, while the sum is 24.

Adding to 1002100111197 its reverse (7911110012001), we get a palindrome (8913210123198).

The spelling of 1002100111197 in words is "one trillion, two billion, one hundred million, one hundred eleven thousand, one hundred ninety-seven".