122222120212101 has 64 divisors (see below), whose sum is σ = 205995151466496. Its totient is φ = 62724973881600.

The previous prime is 122222120212091. The next prime is 122222120212123. The reversal of 122222120212101 is 101212021222221.

It is not a de Polignac number, because 122222120212101 - 2⁷ = 122222120211973 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222120212141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 548484016 + ... + 548706806.

It is an arithmetic number, because the mean of its divisors is an integer number (3218674241664).

Almost surely, 2^{122222120212101} is an apocalyptic number.

It is an amenable number.

122222120212101 is a deficient number, since it is larger than the sum of its proper divisors (83773031254395).

122222120212101 is a wasteful number, since it uses less digits than its factorization.

122222120212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277162.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122222120212101 its reverse (101212021222221), we get a palindrome (223434141434322).

It can be divided in two parts, 122222120 and 212101, that added together give a palindrome (122434221).

The spelling of 122222120212101 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twelve thousand, one hundred one".