121120121122 has 32 divisors (see below), whose sum is σ = 243934233984. Its totient is φ = 43559683200.

The previous prime is 121120121113. The next prime is 121120121137. The reversal of 121120121122 is 221121021121.

It is a junction number, because it is equal to n+sod(n) for n = 121120121096 and 121120121105.

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, 30247779 + ... + 30251782.

It is an arithmetic number, because the mean of its divisors is an integer number (7622944812).

Almost surely, 2^121120121122 is an apocalyptic number.

121120121122 is an abundant number, since it is smaller than the sum of its proper divisors (122814112862).

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

121120121122 is a wasteful number, since it uses less digits than its factorization.

121120121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60499594.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121120121122 its reverse (221121021121), we get a palindrome (342241142243).

It can be divided in two parts, 121120 and 121122, that added together give a palindrome (242242).

The spelling of 121120121122 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".