1042221111403 has 8 divisors (see below), whose sum is σ = 1043285619600. Its totient is φ = 1041157050528.

The previous prime is 1042221111389. The next prime is 1042221111409. The reversal of 1042221111403 is 3041111222401.

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 1042221111403 - 2³⁷ = 904782157931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042221111409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4653528 + ... + 4872346.

It is an arithmetic number, because the mean of its divisors is an integer number (130410702450).

Almost surely, 2^{1042221111403} is an apocalyptic number.

1042221111403 is a deficient number, since it is larger than the sum of its proper divisors (1064508197).

1042221111403 is a wasteful number, since it uses less digits than its factorization.

1042221111403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223661.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1042221111403 its reverse (3041111222401), we get a palindrome (4083332333804).

The spelling of 1042221111403 in words is "one trillion, forty-two billion, two hundred twenty-one million, one hundred eleven thousand, four hundred three".