112012022211222 has 128 divisors (see below), whose sum is σ = 259026099830784. Its totient is φ = 31629897629568.

The previous prime is 112012022211203. The next prime is 112012022211223. The reversal of 112012022211222 is 222112220210211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012022211223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5328059803 + ... + 5328080825.

It is an arithmetic number, because the mean of its divisors is an integer number (2023641404928).

Almost surely, 2^{112012022211222} is an apocalyptic number.

112012022211222 is an abundant number, since it is smaller than the sum of its proper divisors (147014077619562).

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

112012022211222 is a wasteful number, since it uses less digits than its factorization.

112012022211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23522.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112012022211222 its reverse (222112220210211), we get a palindrome (334124242421433).

The spelling of 112012022211222 in words is "one hundred twelve trillion, twelve billion, twenty-two million, two hundred eleven thousand, two hundred twenty-two".