110212202100221 has 16 divisors (see below), whose sum is σ = 121535288434560. Its totient is φ = 99298887750720.

The previous prime is 110212202100211. The next prime is 110212202100223. The reversal of 110212202100221 is 122001202212011.

It is a cyclic number.

It is not a de Polignac number, because 110212202100221 - 2²² = 110212197905917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110212202100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212202100223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68186345 + ... + 69783966.

It is an arithmetic number, because the mean of its divisors is an integer number (7595955527160).

Almost surely, 2^{110212202100221} is an apocalyptic number.

It is an amenable number.

110212202100221 is a deficient number, since it is larger than the sum of its proper divisors (11323086334339).

110212202100221 is a wasteful number, since it uses less digits than its factorization.

110212202100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137971796.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110212202100221 its reverse (122001202212011), we get a palindrome (232213404312232).

The spelling of 110212202100221 in words is "one hundred ten trillion, two hundred twelve billion, two hundred two million, one hundred thousand, two hundred twenty-one".