1200111110110 has 16 divisors (see below), whose sum is σ = 2356581816432. Its totient is φ = 436404040000.

The previous prime is 1200111110089. The next prime is 1200111110117. The reversal of 1200111110110 is 110111110021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200111110117) 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, 5455050391 + ... + 5455050610.

It is an arithmetic number, because the mean of its divisors is an integer number (147286363527).

Almost surely, 2^{1200111110110} is an apocalyptic number.

1200111110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200111110110 is a deficient number, since it is larger than the sum of its proper divisors (1156470706322).

1200111110110 is a wasteful number, since it uses less digits than its factorization.

1200111110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910101019.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1200111110110 its reverse (110111110021), we get a palindrome (1310222220131).

It can be divided in two parts, 12001 and 11110110, that added together give a palindrome (11122111).

The spelling of 1200111110110 in words is "one trillion, two hundred billion, one hundred eleven million, one hundred ten thousand, one hundred ten".