1200122111110 has 16 divisors (see below), whose sum is σ = 2326390554096. Its totient is φ = 443122010208.

The previous prime is 1200122111107. The next prime is 1200122111119. The reversal of 1200122111110 is 111112210021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200122111119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4615854144 + ... + 4615854403.

It is an arithmetic number, because the mean of its divisors is an integer number (145399409631).

Almost surely, 2^{1200122111110} is an apocalyptic number.

1200122111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200122111110 is a deficient number, since it is larger than the sum of its proper divisors (1126268442986).

1200122111110 is a wasteful number, since it uses less digits than its factorization.

1200122111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231708567.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1200122111110 its reverse (111112210021), we get a palindrome (1311234321131).

The spelling of 1200122111110 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred eleven thousand, one hundred ten".