1110212001220 has 72 divisors (see below), whose sum is σ = 2725718385600. Its totient is φ = 378731263680.

The previous prime is 1110212001193. The next prime is 1110212001281. The reversal of 1110212001220 is 221002120111.

It is a self number, because there is not a number n which added to its sum of digits gives 1110212001220.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2651386 + ... + 3041425.

It is an arithmetic number, because the mean of its divisors is an integer number (37857199800).

Almost surely, 2^{1110212001220} is an apocalyptic number.

1110212001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110212001220 is an abundant number, since it is smaller than the sum of its proper divisors (1615506384380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1110212001220 is a wasteful number, since it uses less digits than its factorization.

1110212001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693033 (or 5693024 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1110212001220 its reverse (221002120111), we get a palindrome (1331214121331).

The spelling of 1110212001220 in words is "one trillion, one hundred ten billion, two hundred twelve million, one thousand, two hundred twenty".