912220110077 has 2 divisors, whose sum is σ = 912220110078. Its totient is φ = 912220110076.

The previous prime is 912220110073. The next prime is 912220110103. The reversal of 912220110077 is 770011022219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 765014371801 + 147205738276 = 874651^2 + 383674^2 .

It is a cyclic number.

It is not a de Polignac number, because 912220110077 - 2² = 912220110073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912220110073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456110055038 + 456110055039.

It is an arithmetic number, because the mean of its divisors is an integer number (456110055039).

Almost surely, 2^912220110077 is an apocalyptic number.

It is an amenable number.

912220110077 is a deficient number, since it is larger than the sum of its proper divisors (1).

912220110077 is an equidigital number, since it uses as much as digits as its factorization.

912220110077 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 32.

The spelling of 912220110077 in words is "nine hundred twelve billion, two hundred twenty million, one hundred ten thousand, seventy-seven".