100111010977 has 2 divisors, whose sum is σ = 100111010978. Its totient is φ = 100111010976.

The previous prime is 100111010957. The next prime is 100111011031. The reversal of 100111010977 is 779010111001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82750576896 + 17360434081 = 287664^2 + 131759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100111010977 is a prime.

It is not a weakly prime, because it can be changed into another prime (100111010957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055505488 + 50055505489.

It is an arithmetic number, because the mean of its divisors is an integer number (50055505489).

Almost surely, 2^100111010977 is an apocalyptic number.

It is an amenable number.

100111010977 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111010977 is an equidigital number, since it uses as much as digits as its factorization.

100111010977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 28.

Adding to 100111010977 its reverse (779010111001), we get a palindrome (879121121978).

The spelling of 100111010977 in words is "one hundred billion, one hundred eleven million, ten thousand, nine hundred seventy-seven".