121120112022 has 128 divisors (see below), whose sum is σ = 318519398400. Its totient is φ = 29810664576.

The previous prime is 121120111999. The next prime is 121120112077. The reversal of 121120112022 is 220211021121.

It is a junction number, because it is equal to n+sod(n) for n = 121120111992 and 121120112010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 607929 + ... + 782187.

It is an arithmetic number, because the mean of its divisors is an integer number (2488432800).

Almost surely, 2^121120112022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121120112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159259699200).

121120112022 is an abundant number, since it is smaller than the sum of its proper divisors (197399286378).

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

121120112022 is a wasteful number, since it uses less digits than its factorization.

121120112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121120112022 its reverse (220211021121), we get a palindrome (341331133143).

Subtracting 121120112022 from its reverse (220211021121), we obtain a palindrome (99090909099).

The spelling of 121120112022 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred twelve thousand, twenty-two".