110012100221 has 8 divisors (see below), whose sum is σ = 116588454840. Its totient is φ = 103447418368.

The previous prime is 110012100199. The next prime is 110012100227. The reversal of 110012100221 is 122001210011.

It can be written as a sum of positive squares in 4 ways, for example, as 11407308025 + 98604792196 = 106805^2 + 314014^2 .

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-110012100221 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 (110012100227) 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, 2898776 + ... + 2936481.

It is an arithmetic number, because the mean of its divisors is an integer number (14573556855).

Almost surely, 2^110012100221 is an apocalyptic number.

It is an amenable number.

110012100221 is a deficient number, since it is larger than the sum of its proper divisors (6576354619).

110012100221 is a wasteful number, since it uses less digits than its factorization.

110012100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836383.

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

Adding to 110012100221 its reverse (122001210011), we get a palindrome (232013310232).

The spelling of 110012100221 in words is "one hundred ten billion, twelve million, one hundred thousand, two hundred twenty-one".