121224141022 has 16 divisors (see below), whose sum is σ = 190883289600. Its totient is φ = 57662656920.

The previous prime is 121224141019. The next prime is 121224141023. The reversal of 121224141022 is 220141422121.

It is a junction number, because it is equal to n+sod(n) for n = 121224140984 and 121224141002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121224141023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16566072 + ... + 16573387.

It is an arithmetic number, because the mean of its divisors is an integer number (11930205600).

Almost surely, 2^121224141022 is an apocalyptic number.

121224141022 is a deficient number, since it is larger than the sum of its proper divisors (69659148578).

121224141022 is a wasteful number, since it uses less digits than its factorization.

121224141022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33139551.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121224141022 its reverse (220141422121), we get a palindrome (341365563143).

The spelling of 121224141022 in words is "one hundred twenty-one billion, two hundred twenty-four million, one hundred forty-one thousand, twenty-two".