1003221112 has 8 divisors (see below), whose sum is σ = 1881039600. Its totient is φ = 501610552.

The previous prime is 1003221077. The next prime is 1003221137. The reversal of 1003221112 is 2111223001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1003221092 and 1003221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62701312 + ... + 62701327.

It is an arithmetic number, because the mean of its divisors is an integer number (235129950).

Almost surely, 2^1003221112 is an apocalyptic number.

It is an amenable number.

1003221112 is a deficient number, since it is larger than the sum of its proper divisors (877818488).

1003221112 is a wasteful number, since it uses less digits than its factorization.

1003221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125402645 (or 125402641 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1003221112 is about 31673.6659071854. The cubic root of 1003221112 is about 1001.0725532183.

Adding to 1003221112 its reverse (2111223001), we get a palindrome (3114444113).

The spelling of 1003221112 in words is "one billion, three million, two hundred twenty-one thousand, one hundred twelve".