111262122493 has 2 divisors, whose sum is σ = 111262122494. Its totient is φ = 111262122492.

The previous prime is 111262122421. The next prime is 111262122509. The reversal of 111262122493 is 394221262111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105779756644 + 5482365849 = 325238^2 + 74043^2 .

It is an emirp because it is prime and its reverse (394221262111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111262122493 - 2⁹ = 111262121981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111262122793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55631061246 + 55631061247.

It is an arithmetic number, because the mean of its divisors is an integer number (55631061247).

Almost surely, 2^111262122493 is an apocalyptic number.

It is an amenable number.

111262122493 is a deficient number, since it is larger than the sum of its proper divisors (1).

111262122493 is an equidigital number, since it uses as much as digits as its factorization.

111262122493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The spelling of 111262122493 in words is "one hundred eleven billion, two hundred sixty-two million, one hundred twenty-two thousand, four hundred ninety-three".