1000120112222 has 16 divisors (see below), whose sum is σ = 1870354495872. Its totient is φ = 389657186520.

The previous prime is 1000120112221. The next prime is 1000120112227. The reversal of 1000120112222 is 2222110210001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1000120112197 and 1000120112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000120112221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3247143068 + ... + 3247143375.

It is an arithmetic number, because the mean of its divisors is an integer number (116897155992).

Almost surely, 2^{1000120112222} is an apocalyptic number.

1000120112222 is a deficient number, since it is larger than the sum of its proper divisors (870234383650).

1000120112222 is a wasteful number, since it uses less digits than its factorization.

1000120112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494286463.

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

Adding to 1000120112222 its reverse (2222110210001), we get a palindrome (3222230322223).

The spelling of 1000120112222 in words is "one trillion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-two".