1200110111222 has 48 divisors (see below), whose sum is σ = 1984138390080. Its totient is φ = 544005707520.

The previous prime is 1200110111209. The next prime is 1200110111227. The reversal of 1200110111222 is 2221110110021.

It is a junction number, because it is equal to n+sod(n) for n = 1200110111197 and 1200110111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110111227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153404003 + ... + 153411825.

It is an arithmetic number, because the mean of its divisors is an integer number (41336216460).

Almost surely, 2^{1200110111222} is an apocalyptic number.

1200110111222 is a deficient number, since it is larger than the sum of its proper divisors (784028278858).

1200110111222 is a wasteful number, since it uses less digits than its factorization.

1200110111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509 (or 9498 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1200110111222 its reverse (2221110110021), we get a palindrome (3421220221243).

The spelling of 1200110111222 in words is "one trillion, two hundred billion, one hundred ten million, one hundred eleven thousand, two hundred twenty-two".