110211020221221 has 32 divisors (see below), whose sum is σ = 163529991244800. Its totient is φ = 73359584541360.

The previous prime is 110211020221187. The next prime is 110211020221223. The reversal of 110211020221221 is 122122020112011.

110211020221221 is a `hidden beast` number, since 1 + 10 + 211 + 0 + 2 + 0 + 221 + 221 = 666.

It is not a de Polignac number, because 110211020221221 - 2⁶ = 110211020221157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110211020221194 and 110211020221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211020221223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73437400 + ... + 74923118.

It is an arithmetic number, because the mean of its divisors is an integer number (5110312226400).

Almost surely, 2^{110211020221221} is an apocalyptic number.

It is an amenable number.

110211020221221 is a deficient number, since it is larger than the sum of its proper divisors (53318971023579).

110211020221221 is a wasteful number, since it uses less digits than its factorization.

110211020221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490006 (or 1490000 counting only the distinct ones).

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

Adding to 110211020221221 its reverse (122122020112011), we get a palindrome (232333040333232).

The spelling of 110211020221221 in words is "one hundred ten trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand, two hundred twenty-one".