20000111200221 has 8 divisors (see below), whose sum is σ = 26673333359904. Its totient is φ = 13330148253680.

The previous prime is 20000111200217. The next prime is 20000111200243. The reversal of 20000111200221 is 12200211100002.

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 20000111200221 - 2² = 20000111200217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000111200197 and 20000111200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000111200921) 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, 814788966 + ... + 814813511.

It is an arithmetic number, because the mean of its divisors is an integer number (3334166669988).

Almost surely, 2^{20000111200221} is an apocalyptic number.

It is an amenable number.

20000111200221 is a deficient number, since it is larger than the sum of its proper divisors (6673222159683).

20000111200221 is a wasteful number, since it uses less digits than its factorization.

20000111200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629606571.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20000111200221 its reverse (12200211100002), we get a palindrome (32200322300223).

The spelling of 20000111200221 in words is "twenty trillion, one hundred eleven million, two hundred thousand, two hundred twenty-one".