110012211100221 has 64 divisors (see below), whose sum is σ = 152278368506880. Its totient is φ = 70597619712000.

The previous prime is 110012211100189. The next prime is 110012211100277. The reversal of 110012211100221 is 122001112210011.

It is a happy number.

It is not a de Polignac number, because 110012211100221 - 2⁵ = 110012211100189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110012211100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110012211102221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8069545821 + ... + 8069559453.

It is an arithmetic number, because the mean of its divisors is an integer number (2379349507920).

Almost surely, 2^{110012211100221} is an apocalyptic number.

It is an amenable number.

110012211100221 is a deficient number, since it is larger than the sum of its proper divisors (42266157406659).

110012211100221 is a wasteful number, since it uses less digits than its factorization.

110012211100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16278.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110012211100221 its reverse (122001112210011), we get a palindrome (232013323310232).

The spelling of 110012211100221 in words is "one hundred ten trillion, twelve billion, two hundred eleven million, one hundred thousand, two hundred twenty-one".