1112223201977 has 2 divisors, whose sum is σ = 1112223201978. Its totient is φ = 1112223201976.

The previous prime is 1112223201967. The next prime is 1112223202127. The reversal of 1112223201977 is 7791023222111.

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., 864474112441 + 247749089536 = 929771^2 + 497744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112223201977 - 2⁶ = 1112223201913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112223201977.

It is not a weakly prime, because it can be changed into another prime (1112223201917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556111600988 + 556111600989.

It is an arithmetic number, because the mean of its divisors is an integer number (556111600989).

Almost surely, 2^{1112223201977} is an apocalyptic number.

It is an amenable number.

1112223201977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112223201977 is an equidigital number, since it uses as much as digits as its factorization.

1112223201977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 1112223201977 in words is "one trillion, one hundred twelve billion, two hundred twenty-three million, two hundred one thousand, nine hundred seventy-seven".