1020112240403 has 4 divisors (see below), whose sum is σ = 1021294294848. Its totient is φ = 1018930185960.

The previous prime is 1020112240361. The next prime is 1020112240417. The reversal of 1020112240403 is 3040422110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020112240403 - 2¹² = 1020112236307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020112245403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591025928 + ... + 591027653.

It is an arithmetic number, because the mean of its divisors is an integer number (255323573712).

Almost surely, 2^{1020112240403} is an apocalyptic number.

1020112240403 is a deficient number, since it is larger than the sum of its proper divisors (1182054445).

1020112240403 is an equidigital number, since it uses as much as digits as its factorization.

1020112240403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182054444.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1020112240403 its reverse (3040422110201), we get a palindrome (4060534350604).

The spelling of 1020112240403 in words is "one trillion, twenty billion, one hundred twelve million, two hundred forty thousand, four hundred three".