110022221211221 has 16 divisors (see below), whose sum is σ = 122782586572800. Its totient is φ = 97728685544880.

The previous prime is 110022221211151. The next prime is 110022221211257. The reversal of 110022221211221 is 122112122220011.

It is a cyclic number.

It is not a de Polignac number, because 110022221211221 - 2³⁰ = 110021147469397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110022221211193 and 110022221211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110022221219221) 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, 177327161 + ... + 177946526.

It is an arithmetic number, because the mean of its divisors is an integer number (7673911660800).

Almost surely, 2^{110022221211221} is an apocalyptic number.

110022221211221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110022221211221 is a deficient number, since it is larger than the sum of its proper divisors (12760365361579).

110022221211221 is a wasteful number, since it uses less digits than its factorization.

110022221211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355274344.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 110022221211221 its reverse (122112122220011), we get a palindrome (232134343431232).

The spelling of 110022221211221 in words is "one hundred ten trillion, twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty-one".