1002111199 has 2 divisors, whose sum is σ = 1002111200. Its totient is φ = 1002111198.

The previous prime is 1002111191. The next prime is 1002111203. The reversal of 1002111199 is 9911112001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002111199 - 2³ = 1002111191 is a prime.

It is a super-2 number, since 2×1002111199² = 2008453710322435202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002111191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501055599 + 501055600.

It is an arithmetic number, because the mean of its divisors is an integer number (501055600).

Almost surely, 2^1002111199 is an apocalyptic number.

1002111199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002111199 is an equidigital number, since it uses as much as digits as its factorization.

1002111199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 25.

The square root of 1002111199 is about 31656.1399889500. The cubic root of 1002111199 is about 1000.7032383399.

The spelling of 1002111199 in words is "one billion, two million, one hundred eleven thousand, one hundred ninety-nine".