1220000111110 has 32 divisors (see below), whose sum is σ = 2403440024832. Its totient is φ = 442191322080.

The previous prime is 1220000111009. The next prime is 1220000111117. The reversal of 1220000111110 is 111110000221.

It is a super-2 number, since 2×1220000111110² (a number of 25 digits) contains 22 as substring.

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 (1220000111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18029602 + ... + 18097141.

It is an arithmetic number, because the mean of its divisors is an integer number (75107500776).

Almost surely, 2^{1220000111110} is an apocalyptic number.

1220000111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220000111110 is a deficient number, since it is larger than the sum of its proper divisors (1183439913722).

1220000111110 is a wasteful number, since it uses less digits than its factorization.

1220000111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36127068.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1220000111110 its reverse (111110000221), we get a palindrome (1331110111331).

It can be divided in two parts, 1220000111 and 110, that added together give a palindrome (1220000221).

The spelling of 1220000111110 in words is "one trillion, two hundred twenty billion, one hundred eleven thousand, one hundred ten".