23122120201 has 2 divisors, whose sum is σ = 23122120202. Its totient is φ = 23122120200.

The previous prime is 23122120199. The next prime is 23122120213. The reversal of 23122120201 is 10202122132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17923854400 + 5198265801 = 133880^2 + 72099^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122120201 - 2¹ = 23122120199 is a prime.

Together with 23122120199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23122123201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561060100 + 11561060101.

It is an arithmetic number, because the mean of its divisors is an integer number (11561060101).

Almost surely, 2^23122120201 is an apocalyptic number.

It is an amenable number.

23122120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122120201 is an equidigital number, since it uses as much as digits as its factorization.

23122120201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23122120201 its reverse (10202122132), we get a palindrome (33324242333).

The spelling of 23122120201 in words is "twenty-three billion, one hundred twenty-two million, one hundred twenty thousand, two hundred one".