20230211110221 has 18 divisors (see below), whose sum is σ = 33992259485262. Its totient is φ = 11560120634160.

The previous prime is 20230211110201. The next prime is 20230211110223. The reversal of 20230211110221 is 12201111203202.

20230211110221 is a `hidden beast` number, since 2 + 0 + 230 + 211 + 1 + 1 + 0 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19473112737225 + 757098372996 = 4412835^2 + 870114^2 .

It is not a de Polignac number, because 20230211110221 - 2¹⁹ = 20230210585933 is a prime.

It is a super-2 number, since 2×20230211110221² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20230211110194 and 20230211110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230211110223) 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 17 ways as a sum of consecutive naturals, for example, 22936746850 + ... + 22936747731.

Almost surely, 2^{20230211110221} is an apocalyptic number.

20230211110221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20230211110221 is a deficient number, since it is larger than the sum of its proper divisors (13762048375041).

20230211110221 is a wasteful number, since it uses less digits than its factorization.

20230211110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45873494601 (or 45873494591 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20230211110221 its reverse (12201111203202), we get a palindrome (32431322313423).

The spelling of 20230211110221 in words is "twenty trillion, two hundred thirty billion, two hundred eleven million, one hundred ten thousand, two hundred twenty-one".