112021202120122 has 4 divisors (see below), whose sum is σ = 168031803180186. Its totient is φ = 56010601060060.

The previous prime is 112021202120117. The next prime is 112021202120141. The reversal of 112021202120122 is 221021202120211.

112021202120122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77139314844201 + 34881887275921 = 8782899^2 + 5906089^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 112021202120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28005300530029 + ... + 28005300530032.

Almost surely, 2^{112021202120122} is an apocalyptic number.

112021202120122 is a deficient number, since it is larger than the sum of its proper divisors (56010601060064).

112021202120122 is an equidigital number, since it uses as much as digits as its factorization.

112021202120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56010601060063.

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

Adding to 112021202120122 its reverse (221021202120211), we get a palindrome (333042404240333).

The spelling of 112021202120122 in words is "one hundred twelve trillion, twenty-one billion, two hundred two million, one hundred twenty thousand, one hundred twenty-two".