111022012019 has 2 divisors, whose sum is σ = 111022012020. Its totient is φ = 111022012018.

The previous prime is 111022012007. The next prime is 111022012103. The reversal of 111022012019 is 910210220111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111022012019 - 2²⁴ = 111005234803 is a prime.

It is a super-2 number, since 2×111022012019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111022012819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511006009 + 55511006010.

It is an arithmetic number, because the mean of its divisors is an integer number (55511006010).

Almost surely, 2^111022012019 is an apocalyptic number.

111022012019 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022012019 is an equidigital number, since it uses as much as digits as its factorization.

111022012019 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 111022012019 in words is "one hundred eleven billion, twenty-two million, twelve thousand, nineteen".