1013221112 has 32 divisors (see below), whose sum is σ = 2002821120. Its totient is φ = 479831520.

The previous prime is 1013221109. The next prime is 1013221127. The reversal of 1013221112 is 2111223101.

1013221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31808 + ... + 55119.

It is an arithmetic number, because the mean of its divisors is an integer number (62588160).

Almost surely, 2^1013221112 is an apocalyptic number.

It is an amenable number.

1013221112 is a deficient number, since it is larger than the sum of its proper divisors (989600008).

1013221112 is a wasteful number, since it uses less digits than its factorization.

1013221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87011 (or 87007 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1013221112 is about 31831.1343184625. The cubic root of 1013221112 is about 1004.3877567656.

Adding to 1013221112 its reverse (2111223101), we get a palindrome (3124444213).

The spelling of 1013221112 in words is "one billion, thirteen million, two hundred twenty-one thousand, one hundred twelve".