110121000110221 has 2 divisors, whose sum is σ = 110121000110222. Its totient is φ = 110121000110220.

The previous prime is 110121000110213. The next prime is 110121000110267. The reversal of 110121000110221 is 122011000121011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107617282515625 + 2503717594596 = 10373875^2 + 1582314^2 .

It is a cyclic number.

It is not a de Polignac number, because 110121000110221 - 2³ = 110121000110213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110121000116221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060500055110 + 55060500055111.

It is an arithmetic number, because the mean of its divisors is an integer number (55060500055111).

Almost surely, 2^{110121000110221} is an apocalyptic number.

It is an amenable number.

110121000110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110121000110221 is an equidigital number, since it uses as much as digits as its factorization.

110121000110221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110121000110221 its reverse (122011000121011), we get a palindrome (232132000231232).

The spelling of 110121000110221 in words is "one hundred ten trillion, one hundred twenty-one billion, one hundred ten thousand, two hundred twenty-one".