121122022200112 has 20 divisors (see below), whose sum is σ = 234680145109600. Its totient is φ = 60559404107328.

The previous prime is 121122022200077. The next prime is 121122022200203. The reversal of 121122022200112 is 211002220221121.

It is a self number, because there is not a number n which added to its sum of digits gives 121122022200112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99815112 + ... + 101021287.

It is an arithmetic number, because the mean of its divisors is an integer number (11734007255480).

Almost surely, 2^{121122022200112} is an apocalyptic number.

It is an amenable number.

121122022200112 is a deficient number, since it is larger than the sum of its proper divisors (113558122909488).

121122022200112 is a wasteful number, since it uses less digits than its factorization.

121122022200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200874100 (or 200874094 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121122022200112 its reverse (211002220221121), we get a palindrome (332124242421233).

The spelling of 121122022200112 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-two million, two hundred thousand, one hundred twelve".