110221212002221 has 16 divisors (see below), whose sum is σ = 118441221131520. Its totient is φ = 102196425506560.

The previous prime is 110221212002191. The next prime is 110221212002257. The reversal of 110221212002221 is 122200212122011.

It is a cyclic number.

It is not a de Polignac number, because 110221212002221 - 2⁷ = 110221212002093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221212002921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34213681 + ... + 37296358.

It is an arithmetic number, because the mean of its divisors is an integer number (7402576320720).

Almost surely, 2^{110221212002221} is an apocalyptic number.

It is an amenable number.

110221212002221 is a deficient number, since it is larger than the sum of its proper divisors (8220009129299).

110221212002221 is a wasteful number, since it uses less digits than its factorization.

110221212002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71511404.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 110221212002221 its reverse (122200212122011), we get a palindrome (232421424124232).

The spelling of 110221212002221 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred twelve million, two thousand, two hundred twenty-one".