10221542403 has 4 divisors (see below), whose sum is σ = 13628723208. Its totient is φ = 6814361600.

The previous prime is 10221542393. The next prime is 10221542407. The reversal of 10221542403 is 30424512201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30424512201 = 3 ⋅10141504067.

It is a cyclic number.

It is not a de Polignac number, because 10221542403 - 2⁸ = 10221542147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221542407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703590398 + ... + 1703590403.

It is an arithmetic number, because the mean of its divisors is an integer number (3407180802).

Almost surely, 2^10221542403 is an apocalyptic number.

10221542403 is a deficient number, since it is larger than the sum of its proper divisors (3407180805).

10221542403 is an equidigital number, since it uses as much as digits as its factorization.

10221542403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407180804.

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 10221542403 in words is "ten billion, two hundred twenty-one million, five hundred forty-two thousand, four hundred three".