20211110122303 has 8 divisors (see below), whose sum is σ = 21091086119808. Its totient is φ = 19331236798104.

The previous prime is 20211110122249. The next prime is 20211110122309. The reversal of 20211110122303 is 30322101111202.

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 20211110122303 - 2¹⁷ = 20211109991231 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 (20211110122309) 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, 25265925 + ... + 26053582.

It is an arithmetic number, because the mean of its divisors is an integer number (2636385764976).

Almost surely, 2^{20211110122303} is an apocalyptic number.

20211110122303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20211110122303 is a deficient number, since it is larger than the sum of its proper divisors (879975997505).

20211110122303 is a wasteful number, since it uses less digits than its factorization.

20211110122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51336653.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20211110122303 its reverse (30322101111202), we get a palindrome (50533211233505).

The spelling of 20211110122303 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, three hundred three".