11112101977 has 2 divisors, whose sum is σ = 11112101978. Its totient is φ = 11112101976.

The previous prime is 11112101963. The next prime is 11112101983. The reversal of 11112101977 is 77910121111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8277178441 + 2834923536 = 90979^2 + 53244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112101977 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112141977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556050988 + 5556050989.

It is an arithmetic number, because the mean of its divisors is an integer number (5556050989).

Almost surely, 2^11112101977 is an apocalyptic number.

It is an amenable number.

11112101977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112101977 is an equidigital number, since it uses as much as digits as its factorization.

11112101977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 31.

The spelling of 11112101977 in words is "eleven billion, one hundred twelve million, one hundred one thousand, nine hundred seventy-seven".