23215422101 has 2 divisors, whose sum is σ = 23215422102. Its totient is φ = 23215422100.

The previous prime is 23215422089. The next prime is 23215422119. The reversal of 23215422101 is 10122451232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21694344100 + 1521078001 = 147290^2 + 39001^2 .

It is a cyclic number.

It is not a de Polignac number, because 23215422101 - 2³⁴ = 6035552917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23215422401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11607711050 + 11607711051.

It is an arithmetic number, because the mean of its divisors is an integer number (11607711051).

Almost surely, 2^23215422101 is an apocalyptic number.

It is an amenable number.

23215422101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23215422101 is an equidigital number, since it uses as much as digits as its factorization.

23215422101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 23215422101 its reverse (10122451232), we get a palindrome (33337873333).

The spelling of 23215422101 in words is "twenty-three billion, two hundred fifteen million, four hundred twenty-two thousand, one hundred one".