2150122201 has 2 divisors, whose sum is σ = 2150122202. Its totient is φ = 2150122200.

The previous prime is 2150122199. The next prime is 2150122231. The reversal of 2150122201 is 1022210512.

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., 2097182025 + 52940176 = 45795^2 + 7276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150122201 - 2¹ = 2150122199 is a prime.

Together with 2150122199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2150122231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075061100 + 1075061101.

It is an arithmetic number, because the mean of its divisors is an integer number (1075061101).

Almost surely, 2^2150122201 is an apocalyptic number.

It is an amenable number.

2150122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150122201 is an equidigital number, since it uses as much as digits as its factorization.

2150122201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2150122201 is about 46369.4101860267. The cubic root of 2150122201 is about 1290.6873329696.

Adding to 2150122201 its reverse (1022210512), we get a palindrome (3172332713).

The spelling of 2150122201 in words is "two billion, one hundred fifty million, one hundred twenty-two thousand, two hundred one".