122220100120 has 32 divisors (see below), whose sum is σ = 275521075920. Its totient is φ = 48794555520.

The previous prime is 122220100117. The next prime is 122220100127. The reversal of 122220100120 is 21001022221.

It is a happy number.

It is a super-3 number, since 3×122220100120³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122220100120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220100127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900211 + ... + 2942050.

Almost surely, 2^122220100120 is an apocalyptic number.

122220100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220100120 is an abundant number, since it is smaller than the sum of its proper divisors (153300975800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122220100120 is a wasteful number, since it uses less digits than its factorization.

122220100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842795 (or 5842791 counting only the distinct ones).

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

Adding to 122220100120 its reverse (21001022221), we get a palindrome (143221122341).

The spelling of 122220100120 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred thousand, one hundred twenty".