112210211977 has 2 divisors, whose sum is σ = 112210211978. Its totient is φ = 112210211976.

The previous prime is 112210211969. The next prime is 112210212007. The reversal of 112210211977 is 779112012211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56729236041 + 55480975936 = 238179^2 + 235544^2 .

It is a cyclic number.

It is not a de Polignac number, because 112210211977 - 2³ = 112210211969 is a prime.

It is a super-2 number, since 2×112210211977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112210211957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105105988 + 56105105989.

It is an arithmetic number, because the mean of its divisors is an integer number (56105105989).

Almost surely, 2^112210211977 is an apocalyptic number.

It is an amenable number.

112210211977 is a deficient number, since it is larger than the sum of its proper divisors (1).

112210211977 is an equidigital number, since it uses as much as digits as its factorization.

112210211977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 34.

The spelling of 112210211977 in words is "one hundred twelve billion, two hundred ten million, two hundred eleven thousand, nine hundred seventy-seven".