1112002221 has 24 divisors (see below), whose sum is σ = 1642611712. Its totient is φ = 668606400.

The previous prime is 1112002219. The next prime is 1112002247. The reversal of 1112002221 is 1222002111.

1112002221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1112002221 - 2¹ = 1112002219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112002197 and 1112002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112002261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34041 + ... + 58161.

Almost surely, 2^1112002221 is an apocalyptic number.

1112002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112002221 is a deficient number, since it is larger than the sum of its proper divisors (530609491).

1112002221 is a wasteful number, since it uses less digits than its factorization.

1112002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24273 (or 24262 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1112002221 is about 33346.6973027315. The cubic root of 1112002221 is about 1036.0209832241.

Adding to 1112002221 its reverse (1222002111), we get a palindrome (2334004332).

The spelling of 1112002221 in words is "one billion, one hundred twelve million, two thousand, two hundred twenty-one".