112221112121022 has 8 divisors (see below), whose sum is σ = 224442224242056. Its totient is φ = 37407037373672.

The previous prime is 112221112120963. The next prime is 112221112121029. The reversal of 112221112121022 is 220121211122211.

It is a sphenic number, since it is the product of 3 distinct primes.

112221112121022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 112221112121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221112121029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9351759343413 + ... + 9351759343424.

It is an arithmetic number, because the mean of its divisors is an integer number (28055278030257).

Almost surely, 2^{112221112121022} is an apocalyptic number.

112221112121022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

112221112121022 is a wasteful number, since it uses less digits than its factorization.

112221112121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18703518686842.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112221112121022 its reverse (220121211122211), we get a palindrome (332342323243233).

The spelling of 112221112121022 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, twenty-two".