20230100022221 has 8 divisors (see below), whose sum is σ = 20275752481944. Its totient is φ = 20184492432960.

The previous prime is 20230100022217. The next prime is 20230100022241. The reversal of 20230100022221 is 12222000103202.

It can be written as a sum of positive squares in 4 ways, for example, as 4364902885225 + 15865197136996 = 2089235^2 + 3983114^2 .

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 20230100022221 - 2² = 20230100022217 is a prime.

It is a super-2 number, since 2×20230100022221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20230100022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230100022241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10314806 + ... + 12118391.

It is an arithmetic number, because the mean of its divisors is an integer number (2534469060243).

Almost surely, 2^{20230100022221} is an apocalyptic number.

It is an amenable number.

20230100022221 is a deficient number, since it is larger than the sum of its proper divisors (45652459723).

20230100022221 is a wasteful number, since it uses less digits than its factorization.

20230100022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22435231.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20230100022221 its reverse (12222000103202), we get a palindrome (32452100125423).

The spelling of 20230100022221 in words is "twenty trillion, two hundred thirty billion, one hundred million, twenty-two thousand, two hundred twenty-one".