111420122040019 has 16 divisors (see below), whose sum is σ = 120027973250304. Its totient is φ = 102817571788800.

The previous prime is 111420122039983. The next prime is 111420122040041. The reversal of 111420122040019 is 910040221024111.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111420122040019 is a prime.

It is a super-2 number, since 2×111420122040019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111420122040089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588305899 + ... + 588495259.

It is an arithmetic number, because the mean of its divisors is an integer number (7501748328144).

Almost surely, 2^{111420122040019} is an apocalyptic number.

111420122040019 is a deficient number, since it is larger than the sum of its proper divisors (8607851210285).

111420122040019 is a wasteful number, since it uses less digits than its factorization.

111420122040019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203118.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 111420122040019 in words is "one hundred eleven trillion, four hundred twenty billion, one hundred twenty-two million, forty thousand, nineteen".