122101222120 has 16 divisors (see below), whose sum is σ = 274727749860. Its totient is φ = 48840488832.

The previous prime is 122101222081. The next prime is 122101222123. The reversal of 122101222120 is 21222101221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106501711716 + 15599510404 = 326346^2 + 124898^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122101222094 and 122101222103.

It is not an unprimeable number, because it can be changed into a prime (122101222123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526265237 + ... + 1526265316.

Almost surely, 2^122101222120 is an apocalyptic number.

122101222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101222120 is an abundant number, since it is smaller than the sum of its proper divisors (152626527740).

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

122101222120 is a wasteful number, since it uses less digits than its factorization.

122101222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052530564 (or 3052530560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122101222120 its reverse (21222101221), we get a palindrome (143323323341).

The spelling of 122101222120 in words is "one hundred twenty-two billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty".