2212221112000 has 112 divisors (see below), whose sum is σ = 5483019024288. Its totient is φ = 884169139200.

The previous prime is 2212221111949. The next prime is 2212221112043. The reversal of 2212221112000 is 2111222122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9784227 + ... + 10007773.

Almost surely, 2^{2212221112000} is an apocalyptic number.

2212221112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212221112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741509512144).

2212221112000 is an abundant number, since it is smaller than the sum of its proper divisors (3270797912288).

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

2212221112000 is a wasteful number, since it uses less digits than its factorization.

2212221112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224811 (or 224791 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2212221112000 its reverse (2111222122), we get a palindrome (2214332334122).

The spelling of 2212221112000 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twelve thousand".