111020100241 has 2 divisors, whose sum is σ = 111020100242. Its totient is φ = 111020100240.

The previous prime is 111020100203. The next prime is 111020100259. The reversal of 111020100241 is 142001020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108728467600 + 2291632641 = 329740^2 + 47871^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020100241 - 2²⁵ = 110986545809 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020160241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510050120 + 55510050121.

It is an arithmetic number, because the mean of its divisors is an integer number (55510050121).

Almost surely, 2^111020100241 is an apocalyptic number.

It is an amenable number.

111020100241 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020100241 is an equidigital number, since it uses as much as digits as its factorization.

111020100241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111020100241 its reverse (142001020111), we get a palindrome (253021120352).

The spelling of 111020100241 in words is "one hundred eleven billion, twenty million, one hundred thousand, two hundred forty-one".