110212201102221 has 6 divisors (see below), whose sum is σ = 159195401592110. Its totient is φ = 73474800734808.

The previous prime is 110212201102177. The next prime is 110212201102271. The reversal of 110212201102221 is 122201102212011.

110212201102221 is a `hidden beast` number, since 110 + 2 + 1 + 220 + 110 + 2 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56595318356196 + 53616882746025 = 7522986^2 + 7322355^2 .

It is not a de Polignac number, because 110212201102221 - 2¹³ = 110212201094029 is a prime.

It is a super-2 number, since 2×110212201102221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110212201102194 and 110212201102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212201102271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6122900061226 + ... + 6122900061243.

Almost surely, 2^{110212201102221} is an apocalyptic number.

It is an amenable number.

110212201102221 is a deficient number, since it is larger than the sum of its proper divisors (48983200489889).

110212201102221 is a wasteful number, since it uses less digits than its factorization.

110212201102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245800122475 (or 12245800122472 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110212201102221 its reverse (122201102212011), we get a palindrome (232413303314232).

The spelling of 110212201102221 in words is "one hundred ten trillion, two hundred twelve billion, two hundred one million, one hundred two thousand, two hundred twenty-one".