21023222403103 has 64 divisors (see below), whose sum is σ = 24639738900480. Its totient is φ = 17791488000000.

The previous prime is 21023222403101. The next prime is 21023222403187. The reversal of 21023222403103 is 30130422232012.

It is a cyclic number.

It is not a de Polignac number, because 21023222403103 - 2¹ = 21023222403101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023222403101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 875919103 + ... + 875943103.

It is an arithmetic number, because the mean of its divisors is an integer number (384995920320).

Almost surely, 2^{21023222403103} is an apocalyptic number.

21023222403103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21023222403103 is a deficient number, since it is larger than the sum of its proper divisors (3616516497377).

21023222403103 is a wasteful number, since it uses less digits than its factorization.

21023222403103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24968.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21023222403103 its reverse (30130422232012), we get a palindrome (51153644635115).

The spelling of 21023222403103 in words is "twenty-one trillion, twenty-three billion, two hundred twenty-two million, four hundred three thousand, one hundred three".