2222001311200 has 216 divisors, whose sum is σ = 5966045945496. Its totient is φ = 807509683200.

The previous prime is 2222001311161. The next prime is 2222001311251. The reversal of 2222001311200 is 21131002222.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 184591582 + ... + 184603618.

It is an arithmetic number, because the mean of its divisors is an integer number (27620583081).

Almost surely, 2^{2222001311200} is an apocalyptic number.

2222001311200 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 2222001311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2983022972748).

2222001311200 is an abundant number, since it is smaller than the sum of its proper divisors (3744044634296).

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

2222001311200 is a wasteful number, since it uses less digits than its factorization.

2222001311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986 (or 13962 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2222001311200 its reverse (21131002222), we get a palindrome (2243132313422).

The spelling of 2222001311200 in words is "two trillion, two hundred twenty-two billion, one million, three hundred eleven thousand, two hundred".