10212110977 has 2 divisors, whose sum is σ = 10212110978. Its totient is φ = 10212110976.

The previous prime is 10212110911. The next prime is 10212111053. The reversal of 10212110977 is 77901121201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10208273296 + 3837681 = 101036^2 + 1959^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212110977 - 2¹⁵ = 10212078209 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212117977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106055488 + 5106055489.

It is an arithmetic number, because the mean of its divisors is an integer number (5106055489).

Almost surely, 2^10212110977 is an apocalyptic number.

It is an amenable number.

10212110977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212110977 is an equidigital number, since it uses as much as digits as its factorization.

10212110977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 31.

The spelling of 10212110977 in words is "ten billion, two hundred twelve million, one hundred ten thousand, nine hundred seventy-seven".