1000110110221 has 4 divisors (see below), whose sum is σ = 1002430551744. Its totient is φ = 997789668700.

The previous prime is 1000110110173. The next prime is 1000110110227. The reversal of 1000110110221 is 1220110110001.

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 1000110110221 - 2¹⁷ = 1000109979149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000110110198 and 1000110110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000110110227) 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, 1160220115 + ... + 1160220976.

It is an arithmetic number, because the mean of its divisors is an integer number (250607637936).

Almost surely, 2^{1000110110221} is an apocalyptic number.

It is an amenable number.

1000110110221 is a deficient number, since it is larger than the sum of its proper divisors (2320441523).

1000110110221 is an equidigital number, since it uses as much as digits as its factorization.

1000110110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320441522.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000110110221 its reverse (1220110110001), we get a palindrome (2220220220222).

The spelling of 1000110110221 in words is "one trillion, one hundred ten million, one hundred ten thousand, two hundred twenty-one".