122122220022201 has 32 divisors (see below), whose sum is σ = 187299967334400. Its totient is φ = 69331790588544.

The previous prime is 122122220022197. The next prime is 122122220022223. The reversal of 122122220022201 is 102220022221221.

It is not a de Polignac number, because 122122220022201 - 2² = 122122220022197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (122122220022241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18538740 + ... + 24247253.

It is an arithmetic number, because the mean of its divisors is an integer number (5853123979200).

Almost surely, 2^{122122220022201} is an apocalyptic number.

It is an amenable number.

122122220022201 is a deficient number, since it is larger than the sum of its proper divisors (65177747312199).

122122220022201 is a wasteful number, since it uses less digits than its factorization.

122122220022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42786885.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122122220022201 its reverse (102220022221221), we get a palindrome (224342242243422).

The spelling of 122122220022201 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, twenty-two thousand, two hundred one".