1112021013 has 8 divisors (see below), whose sum is σ = 1485792000. Its totient is φ = 739798688.

The previous prime is 1112021011. The next prime is 1112021021. The reversal of 1112021013 is 3101202111.

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 1112021013 - 2¹ = 1112021011 is a prime.

It is a super-4 number, since 4×1112021013⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112021011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385488 + ... + 388361.

It is an arithmetic number, because the mean of its divisors is an integer number (185724000).

Almost surely, 2^1112021013 is an apocalyptic number.

It is an amenable number.

1112021013 is a deficient number, since it is larger than the sum of its proper divisors (373770987).

1112021013 is an equidigital number, since it uses as much as digits as its factorization.

1112021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774331.

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

The square root of 1112021013 is about 33346.9790685753. The cubic root of 1112021013 is about 1036.0268191827.

Adding to 1112021013 its reverse (3101202111), we get a palindrome (4213223124).

The spelling of 1112021013 in words is "one billion, one hundred twelve million, twenty-one thousand, thirteen".