122122122201 has 20 divisors (see below), whose sum is σ = 190361056512. Its totient is φ = 77874975288.

The previous prime is 122122122197. The next prime is 122122122211. The reversal of 122122122201 is 102221221221.

It is a happy number.

122122122201 is a `hidden beast` number, since 1 + 221 + 221 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 122122122201 - 2² = 122122122197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122122122211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32773801 + ... + 32777526.

Almost surely, 2^122122122201 is an apocalyptic number.

It is an amenable number.

122122122201 is a deficient number, since it is larger than the sum of its proper divisors (68238934311).

122122122201 is an equidigital number, since it uses as much as digits as its factorization.

122122122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65551362 (or 65551353 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122122122201 its reverse (102221221221), we get a palindrome (224343343422).

The spelling of 122122122201 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred one".