20110200102221 has 4 divisors (see below), whose sum is σ = 20184407482944. Its totient is φ = 20035992721500.

The previous prime is 20110200102133. The next prime is 20110200102241. The reversal of 20110200102221 is 12220100201102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20110200102221 - 2¹⁸ = 20110199840077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110200102196 and 20110200102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110200102241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37103689955 + ... + 37103690496.

It is an arithmetic number, because the mean of its divisors is an integer number (5046101870736).

Almost surely, 2^{20110200102221} is an apocalyptic number.

It is an amenable number.

20110200102221 is a deficient number, since it is larger than the sum of its proper divisors (74207380723).

20110200102221 is an equidigital number, since it uses as much as digits as its factorization.

20110200102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74207380722.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20110200102221 its reverse (12220100201102), we get a palindrome (32330300303323).

The spelling of 20110200102221 in words is "twenty trillion, one hundred ten billion, two hundred million, one hundred two thousand, two hundred twenty-one".