121121022 has 32 divisors (see below), whose sum is σ = 279811584. Its totient is φ = 34544000.

The previous prime is 121121003. The next prime is 121121083. The reversal of 121121022 is 220121121.

It is a junction number, because it is equal to n+sod(n) for n = 121120989 and 121121007.

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, 52854 + ... + 55097.

It is an arithmetic number, because the mean of its divisors is an integer number (8744112).

Almost surely, 2^121121022 is an apocalyptic number.

121121022 is an abundant number, since it is smaller than the sum of its proper divisors (158690562).

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

121121022 is a wasteful number, since it uses less digits than its factorization.

121121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107984.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 121121022 is about 11005.4996251874. The cubic root of 121121022 is about 494.7735889366.

Adding to 121121022 its reverse (220121121), we get a palindrome (341242143).

Subtracting 121121022 from its reverse (220121121), we obtain a palindrome (99000099).

The spelling of 121121022 in words is "one hundred twenty-one million, one hundred twenty-one thousand, twenty-two".