1112102221 has 8 divisors (see below), whose sum is σ = 1131547320. Its totient is φ = 1092771072.

The previous prime is 1112102183. The next prime is 1112102231. The reversal of 1112102221 is 1222012111.

It can be written as a sum of positive squares in 4 ways, for example, as 117961321 + 994140900 = 10861^2 + 31530^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1112102221 - 2⁹ = 1112101709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112102231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8680 + ... + 47953.

It is an arithmetic number, because the mean of its divisors is an integer number (141443415).

Almost surely, 2^1112102221 is an apocalyptic number.

It is an amenable number.

1112102221 is a deficient number, since it is larger than the sum of its proper divisors (19445099).

1112102221 is an equidigital number, since it uses as much as digits as its factorization.

1112102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56975.

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

The square root of 1112102221 is about 33348.1966678860. The cubic root of 1112102221 is about 1036.0520380161.

Adding to 1112102221 its reverse (1222012111), we get a palindrome (2334114332).

The spelling of 1112102221 in words is "one billion, one hundred twelve million, one hundred two thousand, two hundred twenty-one".