20210021102223 has 96 divisors (see below), whose sum is σ = 32083636515840. Its totient is φ = 12202104176640.

The previous prime is 20210021102209. The next prime is 20210021102251. The reversal of 20210021102223 is 32220112001202.

20210021102223 is a `hidden beast` number, since 20 + 210 + 0 + 211 + 0 + 2 + 223 = 666.

It is not a de Polignac number, because 20210021102223 - 2¹⁰ = 20210021101199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20210021102196 and 20210021102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210021102023) 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 95 ways as a sum of consecutive naturals, for example, 1961561490 + ... + 1961571792.

It is an arithmetic number, because the mean of its divisors is an integer number (334204547040).

Almost surely, 2^{20210021102223} is an apocalyptic number.

20210021102223 is a deficient number, since it is larger than the sum of its proper divisors (11873615413617).

20210021102223 is a wasteful number, since it uses less digits than its factorization.

20210021102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11809 (or 11806 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20210021102223 its reverse (32220112001202), we get a palindrome (52430133103425).

The spelling of 20210021102223 in words is "twenty trillion, two hundred ten billion, twenty-one million, one hundred two thousand, two hundred twenty-three".