1110100220221 has 4 divisors (see below), whose sum is σ = 1110236086944. Its totient is φ = 1109964353500.

The previous prime is 1110100220197. The next prime is 1110100220227. The reversal of 1110100220221 is 1220220010111.

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 1110100220221 - 2¹¹ = 1110100218173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110100220227) 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, 67921105 + ... + 67937446.

It is an arithmetic number, because the mean of its divisors is an integer number (277559021736).

Almost surely, 2^{1110100220221} is an apocalyptic number.

It is an amenable number.

1110100220221 is a deficient number, since it is larger than the sum of its proper divisors (135866723).

1110100220221 is an equidigital number, since it uses as much as digits as its factorization.

1110100220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135866722.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1110100220221 its reverse (1220220010111), we get a palindrome (2330320230332).

The spelling of 1110100220221 in words is "one trillion, one hundred ten billion, one hundred million, two hundred twenty thousand, two hundred twenty-one".