1220011121110 has 32 divisors (see below), whose sum is σ = 2222787329280. Its totient is φ = 482057793888.

The previous prime is 1220011121089. The next prime is 1220011121113. The reversal of 1220011121110 is 111211100221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220011121113) 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 15 ways as a sum of consecutive naturals, for example, 6092439 + ... + 6289501.

It is an arithmetic number, because the mean of its divisors is an integer number (69462104040).

Almost surely, 2^{1220011121110} is an apocalyptic number.

1220011121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220011121110 is a deficient number, since it is larger than the sum of its proper divisors (1002776208170).

1220011121110 is a wasteful number, since it uses less digits than its factorization.

1220011121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204612.

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

Adding to 1220011121110 its reverse (111211100221), we get a palindrome (1331222221331).

The spelling of 1220011121110 in words is "one trillion, two hundred twenty billion, eleven million, one hundred twenty-one thousand, one hundred ten".