110002211212221 has 32 divisors (see below), whose sum is σ = 163627248272000. Its totient is φ = 73037588544000.

The previous prime is 110002211212213. The next prime is 110002211212241. The reversal of 110002211212221 is 122212112200011.

110002211212221 is a `hidden beast` number, since 1 + 10 + 0 + 0 + 221 + 1 + 212 + 221 = 666.

It is not a de Polignac number, because 110002211212221 - 2³ = 110002211212213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110002211212194 and 110002211212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110002211212211) 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, 13568205 + ... + 20102253.

It is an arithmetic number, because the mean of its divisors is an integer number (5113351508500).

Almost surely, 2^{110002211212221} is an apocalyptic number.

It is an amenable number.

110002211212221 is a deficient number, since it is larger than the sum of its proper divisors (53625037059779).

110002211212221 is a wasteful number, since it uses less digits than its factorization.

110002211212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536586 (or 6536580 counting only the distinct ones).

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

Adding to 110002211212221 its reverse (122212112200011), we get a palindrome (232214323412232).

The spelling of 110002211212221 in words is "one hundred ten trillion, two billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty-one".