1110020100221 has 8 divisors (see below), whose sum is σ = 1203981630264. Its totient is φ = 1019243706880.

The previous prime is 1110020100209. The next prime is 1110020100283. The reversal of 1110020100221 is 1220010200111.

It can be written as a sum of positive squares in 4 ways, for example, as 116039016025 + 993981084196 = 340645^2 + 996986^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110020100221 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 (1110020100821) 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, 796283450 + ... + 796284843.

It is an arithmetic number, because the mean of its divisors is an integer number (150497703783).

Almost surely, 2^{1110020100221} is an apocalyptic number.

It is an amenable number.

1110020100221 is a deficient number, since it is larger than the sum of its proper divisors (93961530043).

1110020100221 is a wasteful number, since it uses less digits than its factorization.

1110020100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592568351.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1110020100221 its reverse (1220010200111), we get a palindrome (2330030300332).

The spelling of 1110020100221 in words is "one trillion, one hundred ten billion, twenty million, one hundred thousand, two hundred twenty-one".