112111222111002 has 24 divisors (see below), whose sum is σ = 242907940869984. Its totient is φ = 37370362299144.

The previous prime is 112111222111001. The next prime is 112111222111003. The reversal of 112111222111002 is 200111222111211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112111222111001) and next prime (112111222111003).

It is a super-2 number, since 2×112111222111002² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (112111222111001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13801363 + ... + 20364185.

It is an arithmetic number, because the mean of its divisors is an integer number (10121164202916).

Almost surely, 2^{112111222111002} is an apocalyptic number.

112111222111002 is an abundant number, since it is smaller than the sum of its proper divisors (130796718758982).

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

112111222111002 is a wasteful number, since it uses less digits than its factorization.

112111222111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511874 (or 7511871 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112111222111002 its reverse (200111222111211), we get a palindrome (312222444222213).

The spelling of 112111222111002 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twenty-two million, one hundred eleven thousand, two".