101012109997 has 2 divisors, whose sum is σ = 101012109998. Its totient is φ = 101012109996.

The previous prime is 101012109983. The next prime is 101012110007. The reversal of 101012109997 is 799901210101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79901763561 + 21110346436 = 282669^2 + 145294^2 .

It is a cyclic number.

It is not a de Polignac number, because 101012109997 - 2³¹ = 98864626349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012109917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506054998 + 50506054999.

It is an arithmetic number, because the mean of its divisors is an integer number (50506054999).

Almost surely, 2^101012109997 is an apocalyptic number.

It is an amenable number.

101012109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012109997 is an equidigital number, since it uses as much as digits as its factorization.

101012109997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 40.

The spelling of 101012109997 in words is "one hundred one billion, twelve million, one hundred nine thousand, nine hundred ninety-seven".