112111012220022 has 96 divisors (see below), whose sum is σ = 253103115432960. Its totient is φ = 35824473218880.

The previous prime is 112111012219807. The next prime is 112111012220071. The reversal of 112111012220022 is 220022210111211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112111012219977 and 112111012220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1045338733 + ... + 1045445975.

It is an arithmetic number, because the mean of its divisors is an integer number (2636490785760).

Almost surely, 2^{112111012220022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112111012220022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126551557716480).

112111012220022 is an abundant number, since it is smaller than the sum of its proper divisors (140992103212938).

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

112111012220022 is a wasteful number, since it uses less digits than its factorization.

112111012220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124898 (or 124895 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112111012220022 its reverse (220022210111211), we get a palindrome (332133222331233).

The spelling of 112111012220022 in words is "one hundred twelve trillion, one hundred eleven billion, twelve million, two hundred twenty thousand, twenty-two".