1110210221221 has 16 divisors (see below), whose sum is σ = 1136900051200. Its totient is φ = 1083807216000.

The previous prime is 1110210221213. The next prime is 1110210221227. The reversal of 1110210221221 is 1221220120111.

It is a cyclic number.

It is not a de Polignac number, because 1110210221221 - 2³ = 1110210221213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110210221195 and 1110210221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110210221227) 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, 10345840 + ... + 10452598.

It is an arithmetic number, because the mean of its divisors is an integer number (71056253200).

Almost surely, 2^{1110210221221} is an apocalyptic number.

It is an amenable number.

1110210221221 is a deficient number, since it is larger than the sum of its proper divisors (26689829979).

1110210221221 is a wasteful number, since it uses less digits than its factorization.

1110210221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108100.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1110210221221 its reverse (1221220120111), we get a palindrome (2331430341332).

The spelling of 1110210221221 in words is "one trillion, one hundred ten billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty-one".