122122201 has 4 divisors (see below), whose sum is σ = 123842304. Its totient is φ = 120402100.

The previous prime is 122122181. The next prime is 122122241. The reversal of 122122201 is 102221221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102221221 = 17 ⋅6013013.

It is a cyclic number.

It is not a de Polignac number, because 122122201 - 2²³ = 113733593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859945 + ... + 860086.

It is an arithmetic number, because the mean of its divisors is an integer number (30960576).

Almost surely, 2^122122201 is an apocalyptic number.

It is an amenable number.

122122201 is a deficient number, since it is larger than the sum of its proper divisors (1720103).

122122201 is an equidigital number, since it uses as much as digits as its factorization.

122122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720102.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122122201 is about 11050.8914120084. The cubic root of 122122201 is about 496.1331060235.

Adding to 122122201 its reverse (102221221), we get a palindrome (224343422).

The spelling of 122122201 in words is "one hundred twenty-two million, one hundred twenty-two thousand, two hundred one".