11112010100221 has 8 divisors (see below), whose sum is σ = 11252732931200. Its totient is φ = 10971288881280.

The previous prime is 11112010100153. The next prime is 11112010100239. The reversal of 11112010100221 is 12200101021111.

It is a happy number.

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-11112010100221 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 (11112010100021) 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, 19914925 + ... + 20465293.

It is an arithmetic number, because the mean of its divisors is an integer number (1406591616400).

Almost surely, 2^{11112010100221} is an apocalyptic number.

It is an amenable number.

11112010100221 is a deficient number, since it is larger than the sum of its proper divisors (140722830979).

11112010100221 is an equidigital number, since it uses as much as digits as its factorization.

11112010100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806019.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112010100221 its reverse (12200101021111), we get a palindrome (23312111121332).

The spelling of 11112010100221 in words is "eleven trillion, one hundred twelve billion, ten million, one hundred thousand, two hundred twenty-one".