121210112022 has 16 divisors (see below), whose sum is σ = 242423712432. Its totient is φ = 40402789280.

The previous prime is 121210111961. The next prime is 121210112027. The reversal of 121210112022 is 220211012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210111992 and 121210112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601768 + ... + 777524.

It is an arithmetic number, because the mean of its divisors is an integer number (15151482027).

Almost surely, 2^121210112022 is an apocalyptic number.

121210112022 is an abundant number, since it is smaller than the sum of its proper divisors (121213600410).

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

121210112022 is a wasteful number, since it uses less digits than its factorization.

121210112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290703.

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

Adding to 121210112022 its reverse (220211012121), we get a palindrome (341421124143).

Subtracting 121210112022 from its reverse (220211012121), we obtain a palindrome (99000900099).

The spelling of 121210112022 in words is "one hundred twenty-one billion, two hundred ten million, one hundred twelve thousand, twenty-two".