1110221211284 has 12 divisors (see below), whose sum is σ = 1942896769044. Its totient is φ = 555107848704.

The previous prime is 1110221211283. The next prime is 1110221211313. The reversal of 1110221211284 is 4821121220111.

It can be written as a sum of positive squares in 2 ways, for example, as 649345872400 + 460875338884 = 805820^2 + 678878^2 .

It is a super-2 number, since 2×1110221211284² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110221211283) 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 3 ways as a sum of consecutive naturals, for example, 412532 + ... + 1546164.

It is an arithmetic number, because the mean of its divisors is an integer number (161908064087).

Almost surely, 2^{1110221211284} is an apocalyptic number.

It is an amenable number.

1110221211284 is a deficient number, since it is larger than the sum of its proper divisors (832675557760).

1110221211284 is a wasteful number, since it uses less digits than its factorization.

1110221211284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378474 (or 1378472 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 1110221211284 its reverse (4821121220111), we get a palindrome (5931342431395).

The spelling of 1110221211284 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, two hundred eleven thousand, two hundred eighty-four".