1200110121110 has 16 divisors (see below), whose sum is σ = 2160989258832. Its totient is φ = 479868261600.

The previous prime is 1200110121109. The next prime is 1200110121113. The reversal of 1200110121110 is 111210110021.

It is a junction number, because it is equal to n+sod(n) for n = 1200110121091 and 1200110121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110121113) 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, 21944681 + ... + 21999300.

It is an arithmetic number, because the mean of its divisors is an integer number (135061828677).

Almost surely, 2^{1200110121110} is an apocalyptic number.

1200110121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200110121110 is a deficient number, since it is larger than the sum of its proper divisors (960879137722).

1200110121110 is a wasteful number, since it uses less digits than its factorization.

1200110121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43946719.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1200110121110 its reverse (111210110021), we get a palindrome (1311320231131).

The spelling of 1200110121110 in words is "one trillion, two hundred billion, one hundred ten million, one hundred twenty-one thousand, one hundred ten".