111022121100019 has 4 divisors (see below), whose sum is σ = 111022287556744. Its totient is φ = 111021954643296.

The previous prime is 111022121099987. The next prime is 111022121100041. The reversal of 111022121100019 is 910001121220111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111022121100019 - 2⁵ = 111022121099987 is a prime.

It is a super-2 number, since 2×111022121100019² (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 (111022121100119) 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, 82223862 + ... + 83563195.

It is an arithmetic number, because the mean of its divisors is an integer number (27755571889186).

Almost surely, 2^{111022121100019} is an apocalyptic number.

111022121100019 is a deficient number, since it is larger than the sum of its proper divisors (166456725).

111022121100019 is an equidigital number, since it uses as much as digits as its factorization.

111022121100019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166456724.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 111022121100019 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-one million, one hundred thousand, nineteen".