110201211121 has 2 divisors, whose sum is σ = 110201211122. Its totient is φ = 110201211120.

The previous prime is 110201211103. The next prime is 110201211137. The reversal of 110201211121 is 121112102011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89183460496 + 21017750625 = 298636^2 + 144975^2 .

It is an emirp because it is prime and its reverse (121112102011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110201211121 - 2⁷ = 110201210993 is a prime.

It is not a weakly prime, because it can be changed into another prime (110201211101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55100605560 + 55100605561.

It is an arithmetic number, because the mean of its divisors is an integer number (55100605561).

Almost surely, 2^110201211121 is an apocalyptic number.

It is an amenable number.

110201211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110201211121 is an equidigital number, since it uses as much as digits as its factorization.

110201211121 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 110201211121 its reverse (121112102011), we get a palindrome (231313313132).

The spelling of 110201211121 in words is "one hundred ten billion, two hundred one million, two hundred eleven thousand, one hundred twenty-one".