111031404101 has 2 divisors, whose sum is σ = 111031404102. Its totient is φ = 111031404100.

The previous prime is 111031404067. The next prime is 111031404131. The reversal of 111031404101 is 101404130111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64299773476 + 46731630625 = 253574^2 + 216175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111031404101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111031404101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111031404131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55515702050 + 55515702051.

It is an arithmetic number, because the mean of its divisors is an integer number (55515702051).

Almost surely, 2^111031404101 is an apocalyptic number.

It is an amenable number.

111031404101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111031404101 is an equidigital number, since it uses as much as digits as its factorization.

111031404101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111031404101 its reverse (101404130111), we get a palindrome (212435534212).

The spelling of 111031404101 in words is "one hundred eleven billion, thirty-one million, four hundred four thousand, one hundred one".