1012011101977 has 2 divisors, whose sum is σ = 1012011101978. Its totient is φ = 1012011101976.

The previous prime is 1012011101879. The next prime is 1012011102023. The reversal of 1012011101977 is 7791011102101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992581808656 + 19429293321 = 996284^2 + 139389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012011101977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012011101177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506005550988 + 506005550989.

It is an arithmetic number, because the mean of its divisors is an integer number (506005550989).

Almost surely, 2^{1012011101977} is an apocalyptic number.

It is an amenable number.

1012011101977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012011101977 is an equidigital number, since it uses as much as digits as its factorization.

1012011101977 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1012011101977 in words is "one trillion, twelve billion, eleven million, one hundred one thousand, nine hundred seventy-seven".