111002011999 has 2 divisors, whose sum is σ = 111002012000. Its totient is φ = 111002011998.

The previous prime is 111002011987. The next prime is 111002012053. The reversal of 111002011999 is 999110200111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111002011999 is a prime.

It is a super-2 number, since 2×111002011999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111002011909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501005999 + 55501006000.

It is an arithmetic number, because the mean of its divisors is an integer number (55501006000).

Almost surely, 2^111002011999 is an apocalyptic number.

111002011999 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002011999 is an equidigital number, since it uses as much as digits as its factorization.

111002011999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 34.

The spelling of 111002011999 in words is "one hundred eleven billion, two million, eleven thousand, nine hundred ninety-nine".