10420111003403 has 16 divisors (see below), whose sum is σ = 10827018316800. Its totient is φ = 10017719790240.

The previous prime is 10420111003361. The next prime is 10420111003447. The reversal of 10420111003403 is 30430011102401.

It is a cyclic number.

It is not a de Polignac number, because 10420111003403 - 2²⁰ = 10420109954827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10420111003483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5980388 + ... + 7523646.

It is an arithmetic number, because the mean of its divisors is an integer number (676688644800).

Almost surely, 2^{10420111003403} is an apocalyptic number.

10420111003403 is a deficient number, since it is larger than the sum of its proper divisors (406907313397).

10420111003403 is a wasteful number, since it uses less digits than its factorization.

10420111003403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544722.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10420111003403 its reverse (30430011102401), we get a palindrome (40850122105804).

The spelling of 10420111003403 in words is "ten trillion, four hundred twenty billion, one hundred eleven million, three thousand, four hundred three".