1111221485 has 8 divisors (see below), whose sum is σ = 1454690016. Its totient is φ = 808161040.

The previous prime is 1111221457. The next prime is 1111221487. The reversal of 1111221485 is 5841221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111221485 - 2⁸ = 1111221229 is a prime.

It is a super-4 number, since 4×1111221485⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111221487) 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 7 ways as a sum of consecutive naturals, for example, 10101959 + ... + 10102068.

It is an arithmetic number, because the mean of its divisors is an integer number (181836252).

Almost surely, 2^1111221485 is an apocalyptic number.

It is an amenable number.

1111221485 is a deficient number, since it is larger than the sum of its proper divisors (343468531).

1111221485 is a wasteful number, since it uses less digits than its factorization.

1111221485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20204043.

The product of its digits is 640, while the sum is 26.

The square root of 1111221485 is about 33334.9889005531. The cubic root of 1111221485 is about 1035.7784632493.

Adding to 1111221485 its reverse (5841221111), we get a palindrome (6952442596).

The spelling of 1111221485 in words is "one billion, one hundred eleven million, two hundred twenty-one thousand, four hundred eighty-five".