1200110222111 has 4 divisors (see below), whose sum is σ = 1207047275592. Its totient is φ = 1193173168632.

The previous prime is 1200110222083. The next prime is 1200110222117. The reversal of 1200110222111 is 1112220110021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200110222111 - 2¹⁰ = 1200110221087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110222117) 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, 3468526481 + ... + 3468526826.

It is an arithmetic number, because the mean of its divisors is an integer number (301761818898).

Almost surely, 2^{1200110222111} is an apocalyptic number.

1200110222111 is a deficient number, since it is larger than the sum of its proper divisors (6937053481).

1200110222111 is an equidigital number, since it uses as much as digits as its factorization.

1200110222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937053480.

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

Adding to 1200110222111 its reverse (1112220110021), we get a palindrome (2312330332132).

The spelling of 1200110222111 in words is "one trillion, two hundred billion, one hundred ten million, two hundred twenty-two thousand, one hundred eleven".