111012020111903 has 2 divisors, whose sum is σ = 111012020111904. Its totient is φ = 111012020111902.

The previous prime is 111012020111879. The next prime is 111012020112029. The reversal of 111012020111903 is 309111020210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111012020111903 - 2²² = 111012015917599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111012020110903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506010055951 + 55506010055952.

It is an arithmetic number, because the mean of its divisors is an integer number (55506010055952).

Almost surely, 2^{111012020111903} is an apocalyptic number.

111012020111903 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012020111903 is an equidigital number, since it uses as much as digits as its factorization.

111012020111903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 111012020111903 in words is "one hundred eleven trillion, twelve billion, twenty million, one hundred eleven thousand, nine hundred three".