10101040997 has 2 divisors, whose sum is σ = 10101040998. Its totient is φ = 10101040996.

The previous prime is 10101040969. The next prime is 10101041017. The reversal of 10101040997 is 79904010101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7080549316 + 3020491681 = 84146^2 + 54959^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101040997 - 2¹² = 10101036901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101040907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050520498 + 5050520499.

It is an arithmetic number, because the mean of its divisors is an integer number (5050520499).

Almost surely, 2^10101040997 is an apocalyptic number.

It is an amenable number.

10101040997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101040997 is an equidigital number, since it uses as much as digits as its factorization.

10101040997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 10101040997 in words is "ten billion, one hundred one million, forty thousand, nine hundred ninety-seven".