111020101111061 has 2 divisors, whose sum is σ = 111020101111062. Its totient is φ = 111020101111060.

The previous prime is 111020101110979. The next prime is 111020101111063. The reversal of 111020101111061 is 160111101020111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101615875420900 + 9404225690161 = 10080470^2 + 3066631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020101111061 is a prime.

Together with 111020101111063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111020101111063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510050555530 + 55510050555531.

It is an arithmetic number, because the mean of its divisors is an integer number (55510050555531).

Almost surely, 2^{111020101111061} is an apocalyptic number.

It is an amenable number.

111020101111061 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020101111061 is an equidigital number, since it uses as much as digits as its factorization.

111020101111061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 111020101111061 its reverse (160111101020111), we get a palindrome (271131202131172).

The spelling of 111020101111061 in words is "one hundred eleven trillion, twenty billion, one hundred one million, one hundred eleven thousand, sixty-one".