110553540221 has 2 divisors, whose sum is σ = 110553540222. Its totient is φ = 110553540220.

The previous prime is 110553540217. The next prime is 110553540257. The reversal of 110553540221 is 122045355011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78103480900 + 32450059321 = 279470^2 + 180139^2 .

It is a cyclic number.

It is not a de Polignac number, because 110553540221 - 2² = 110553540217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110553540211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55276770110 + 55276770111.

It is an arithmetic number, because the mean of its divisors is an integer number (55276770111).

Almost surely, 2^110553540221 is an apocalyptic number.

It is an amenable number.

110553540221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110553540221 is an equidigital number, since it uses as much as digits as its factorization.

110553540221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 110553540221 its reverse (122045355011), we get a palindrome (232598895232).

The spelling of 110553540221 in words is "one hundred ten billion, five hundred fifty-three million, five hundred forty thousand, two hundred twenty-one".