122222220201 has 24 divisors (see below), whose sum is σ = 180901034496. Its totient is φ = 79471316160.

The previous prime is 122222220199. The next prime is 122222220209. The reversal of 122222220201 is 102022222221.

122222220201 is a `hidden beast` number, since 1 + 22 + 222 + 220 + 201 = 666.

It is not a de Polignac number, because 122222220201 - 2¹ = 122222220199 is a prime.

It is a super-2 number, since 2×122222220201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122222220209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1291176 + ... + 1382598.

It is an arithmetic number, because the mean of its divisors is an integer number (7537543104).

Almost surely, 2^122222220201 is an apocalyptic number.

It is an amenable number.

122222220201 is a deficient number, since it is larger than the sum of its proper divisors (58678814295).

122222220201 is a wasteful number, since it uses less digits than its factorization.

122222220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95093 (or 95090 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 122222220201 its reverse (102022222221), we get a palindrome (224244442422).

The spelling of 122222220201 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred one".