112211221111002 has 192 divisors, whose sum is σ = 265404117888000. Its totient is φ = 34058241745920.

The previous prime is 112211221110983. The next prime is 112211221111007. The reversal of 112211221111002 is 200111122112211.

It is a happy number.

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 (112211221111007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8178057502 + ... + 8178071222.

It is an arithmetic number, because the mean of its divisors is an integer number (1382313114000).

Almost surely, 2^{112211221111002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112211221111002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132702058944000).

112211221111002 is an abundant number, since it is smaller than the sum of its proper divisors (153192896776998).

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

112211221111002 is a wasteful number, since it uses less digits than its factorization.

112211221111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493 (or 15490 counting only the distinct ones).

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

Adding to 112211221111002 its reverse (200111122112211), we get a palindrome (312322343223213).

The spelling of 112211221111002 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twenty-one million, one hundred eleven thousand, two".