1001200112222 has 4 divisors (see below), whose sum is σ = 1501800168336. Its totient is φ = 500600056110.

The previous prime is 1001200112221. The next prime is 1001200112261. The reversal of 1001200112222 is 2222110021001.

1001200112222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001200112197 and 1001200112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001200112221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250300028054 + ... + 250300028057.

It is an arithmetic number, because the mean of its divisors is an integer number (375450042084).

Almost surely, 2^{1001200112222} is an apocalyptic number.

1001200112222 is a deficient number, since it is larger than the sum of its proper divisors (500600056114).

1001200112222 is an equidigital number, since it uses as much as digits as its factorization.

1001200112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500600056113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1001200112222 its reverse (2222110021001), we get a palindrome (3223310133223).

The spelling of 1001200112222 in words is "one trillion, one billion, two hundred million, one hundred twelve thousand, two hundred twenty-two".