1110200022221 has 2 divisors, whose sum is σ = 1110200022222. Its totient is φ = 1110200022220.

The previous prime is 1110200022179. The next prime is 1110200022277. The reversal of 1110200022221 is 1222200020111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050963277225 + 59236744996 = 1025165^2 + 243386^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110200022221 - 2⁶ = 1110200022157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110200022196 and 1110200022205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110200022121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555100011110 + 555100011111.

It is an arithmetic number, because the mean of its divisors is an integer number (555100011111).

Almost surely, 2^{1110200022221} is an apocalyptic number.

It is an amenable number.

1110200022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110200022221 is an equidigital number, since it uses as much as digits as its factorization.

1110200022221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1110200022221 its reverse (1222200020111), we get a palindrome (2332400042332).

The spelling of 1110200022221 in words is "one trillion, one hundred ten billion, two hundred million, twenty-two thousand, two hundred twenty-one".