1111200010221 has 12 divisors (see below), whose sum is σ = 1723493893632. Its totient is φ = 634971434328.

The previous prime is 1111200010187. The next prime is 1111200010241. The reversal of 1111200010221 is 1220100021111.

It is not a de Polignac number, because 1111200010221 - 2¹¹ = 1111200008173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111200010197 and 1111200010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111200010241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3779591725 + ... + 3779592018.

It is an arithmetic number, because the mean of its divisors is an integer number (143624491136).

Almost surely, 2^{1111200010221} is an apocalyptic number.

It is an amenable number.

1111200010221 is a deficient number, since it is larger than the sum of its proper divisors (612293883411).

1111200010221 is an equidigital number, since it uses as much as digits as its factorization.

1111200010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559183760 (or 7559183753 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111200010221 its reverse (1220100021111), we get a palindrome (2331300031332).

The spelling of 1111200010221 in words is "one trillion, one hundred eleven billion, two hundred million, ten thousand, two hundred twenty-one".