111200401019 has 4 divisors (see below), whose sum is σ = 111623216496. Its totient is φ = 110777585544.

The previous prime is 111200400967. The next prime is 111200401057. The reversal of 111200401019 is 910104002111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910104002111 = 887 ⋅1026047353.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111200401019 is a prime.

It is a super-2 number, since 2×111200401019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111200401079) 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, 211407344 + ... + 211407869.

It is an arithmetic number, because the mean of its divisors is an integer number (27905804124).

Almost surely, 2^111200401019 is an apocalyptic number.

111200401019 is a deficient number, since it is larger than the sum of its proper divisors (422815477).

111200401019 is an equidigital number, since it uses as much as digits as its factorization.

111200401019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422815476.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 111200401019 in words is "one hundred eleven billion, two hundred million, four hundred one thousand, nineteen".