121220332422 has 32 divisors (see below), whose sum is σ = 278934624000. Its totient is φ = 34401933408.

The previous prime is 121220332361. The next prime is 121220332477. The reversal of 121220332422 is 224233022121.

It is a junction number, because it is equal to n+sod(n) for n = 121220332392 and 121220332401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9678972 + ... + 9691487.

It is an arithmetic number, because the mean of its divisors is an integer number (8716707000).

Almost surely, 2^121220332422 is an apocalyptic number.

121220332422 is an abundant number, since it is smaller than the sum of its proper divisors (157714291578).

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

121220332422 is a wasteful number, since it uses less digits than its factorization.

121220332422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19370620.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 121220332422 its reverse (224233022121), we get a palindrome (345453354543).

The spelling of 121220332422 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred thirty-two thousand, four hundred twenty-two".