111101112077 has 2 divisors, whose sum is σ = 111101112078. Its totient is φ = 111101112076.

The previous prime is 111101112053. The next prime is 111101112113. The reversal of 111101112077 is 770211101111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93765176521 + 17335935556 = 306211^2 + 131666^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101112077 - 2¹⁰ = 111101111053 is a prime.

It is a super-2 number, since 2×111101112077² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101112047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550556038 + 55550556039.

It is an arithmetic number, because the mean of its divisors is an integer number (55550556039).

Almost surely, 2^111101112077 is an apocalyptic number.

It is an amenable number.

111101112077 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101112077 is an equidigital number, since it uses as much as digits as its factorization.

111101112077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 23.

Adding to 111101112077 its reverse (770211101111), we get a palindrome (881312213188).

The spelling of 111101112077 in words is "one hundred eleven billion, one hundred one million, one hundred twelve thousand, seventy-seven".