111000120199999 has 2 divisors, whose sum is σ = 111000120200000. Its totient is φ = 111000120199998.

The previous prime is 111000120199993. The next prime is 111000120200023. The reversal of 111000120199999 is 999991021000111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111000120199999 - 2²¹ = 111000118102847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000120199993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500060099999 + 55500060100000.

It is an arithmetic number, because the mean of its divisors is an integer number (55500060100000).

Almost surely, 2^{111000120199999} is an apocalyptic number.

111000120199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000120199999 is an equidigital number, since it uses as much as digits as its factorization.

111000120199999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 52.

The spelling of 111000120199999 in words is "one hundred eleven trillion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred ninety-nine".