111020020001199 has 24 divisors (see below), whose sum is σ = 166372151072400. Its totient is φ = 73981944781056.

The previous prime is 111020020001183. The next prime is 111020020001237. The reversal of 111020020001199 is 991100020020111.

It is not a de Polignac number, because 111020020001199 - 2⁴ = 111020020001183 is a prime.

It is a super-2 number, since 2×111020020001199² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020020001129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96345474 + ... + 97490975.

It is an arithmetic number, because the mean of its divisors is an integer number (6932172961350).

Almost surely, 2^{111020020001199} is an apocalyptic number.

111020020001199 is a deficient number, since it is larger than the sum of its proper divisors (55352131071201).

111020020001199 is an equidigital number, since it uses as much as digits as its factorization.

111020020001199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193838821 (or 193838809 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 111020020001199 in words is "one hundred eleven trillion, twenty billion, twenty million, one thousand, one hundred ninety-nine".