111020022012139 has 2 divisors, whose sum is σ = 111020022012140. Its totient is φ = 111020022012138.

The previous prime is 111020022012083. The next prime is 111020022012209. The reversal of 111020022012139 is 931210220020111.

It is a weak prime.

It is an emirp because it is prime and its reverse (931210220020111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020022012139 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020022022139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510011006069 + 55510011006070.

It is an arithmetic number, because the mean of its divisors is an integer number (55510011006070).

Almost surely, 2^{111020022012139} is an apocalyptic number.

111020022012139 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020022012139 is an equidigital number, since it uses as much as digits as its factorization.

111020022012139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 111020022012139 in words is "one hundred eleven trillion, twenty billion, twenty-two million, twelve thousand, one hundred thirty-nine".