20221100103123 has 8 divisors (see below), whose sum is σ = 29957185338000. Its totient is φ = 13480733402064.

The previous prime is 20221100103107. The next prime is 20221100103143. The reversal of 20221100103123 is 32130100112202.

20221100103123 is a `hidden beast` number, since 20 + 221 + 100 + 10 + 312 + 3 = 666.

It is not a de Polignac number, because 20221100103123 - 2⁴ = 20221100103107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221100103096 and 20221100103105.

It is not an unprimeable number, because it can be changed into a prime (20221100103143) 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 7 ways as a sum of consecutive naturals, for example, 374464816698 + ... + 374464816751.

It is an arithmetic number, because the mean of its divisors is an integer number (3744648167250).

Almost surely, 2^{20221100103123} is an apocalyptic number.

20221100103123 is a deficient number, since it is larger than the sum of its proper divisors (9736085234877).

20221100103123 is an equidigital number, since it uses as much as digits as its factorization.

20221100103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748929633458 (or 748929633452 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20221100103123 its reverse (32130100112202), we get a palindrome (52351200215325).

The spelling of 20221100103123 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, one hundred three thousand, one hundred twenty-three".