121112022 has 16 divisors (see below), whose sum is σ = 242926272. Its totient is φ = 40253640.

The previous prime is 121112011. The next prime is 121112027. The reversal of 121112022 is 220211121.

It is a junction number, because it is equal to n+sod(n) for n = 121111989 and 121112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27004 + ... + 31167.

It is an arithmetic number, because the mean of its divisors is an integer number (15182892).

Almost surely, 2^121112022 is an apocalyptic number.

121112022 is an abundant number, since it is smaller than the sum of its proper divisors (121814250).

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

121112022 is a wasteful number, since it uses less digits than its factorization.

121112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58523.

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

The square root of 121112022 is about 11005.0907311117. The cubic root of 121112022 is about 494.7613337764.

Adding to 121112022 its reverse (220211121), we get a palindrome (341323143).

Subtracting 121112022 from its reverse (220211121), we obtain a palindrome (99099099).

It can be divided in two parts, 12111 and 2022, that multiplied together give a palindrome (24488442).

The spelling of 121112022 in words is "one hundred twenty-one million, one hundred twelve thousand, twenty-two".