1200111222 has 8 divisors (see below), whose sum is σ = 2400222456. Its totient is φ = 400037072.

The previous prime is 1200111203. The next prime is 1200111223. The reversal of 1200111222 is 2221110021.

1200111222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1200111222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1200111198 and 1200111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200111223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100009263 + ... + 100009274.

It is an arithmetic number, because the mean of its divisors is an integer number (300027807).

Almost surely, 2^1200111222 is an apocalyptic number.

1200111222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200111222 is a wasteful number, since it uses less digits than its factorization.

1200111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200018542.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1200111222 is about 34642.6214654723. The cubic root of 1200111222 is about 1062.6913990048.

Adding to 1200111222 its reverse (2221110021), we get a palindrome (3421221243).

The spelling of 1200111222 in words is "one billion, two hundred million, one hundred eleven thousand, two hundred twenty-two".