101061010691 has 2 divisors, whose sum is σ = 101061010692. Its totient is φ = 101061010690.

The previous prime is 101061010669. The next prime is 101061010703. The reversal of 101061010691 is 196010160101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101061010691 - 2³⁴ = 83881141507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101061010691.

It is not a weakly prime, because it can be changed into another prime (101061010091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50530505345 + 50530505346.

It is an arithmetic number, because the mean of its divisors is an integer number (50530505346).

Almost surely, 2^101061010691 is an apocalyptic number.

101061010691 is a deficient number, since it is larger than the sum of its proper divisors (1).

101061010691 is an equidigital number, since it uses as much as digits as its factorization.

101061010691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

Adding to 101061010691 its reverse (196010160101), we get a palindrome (297071170792).

The spelling of 101061010691 in words is "one hundred one billion, sixty-one million, ten thousand, six hundred ninety-one".