110211100121 has 2 divisors, whose sum is σ = 110211100122. Its totient is φ = 110211100120.

The previous prime is 110211100117. The next prime is 110211100141. The reversal of 110211100121 is 121001112011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60337044496 + 49874055625 = 245636^2 + 223325^2 .

It is a cyclic number.

It is not a de Polignac number, because 110211100121 - 2² = 110211100117 is a prime.

It is not a weakly prime, because it can be changed into another prime (110211100141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55105550060 + 55105550061.

It is an arithmetic number, because the mean of its divisors is an integer number (55105550061).

Almost surely, 2^110211100121 is an apocalyptic number.

It is an amenable number.

110211100121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110211100121 is an equidigital number, since it uses as much as digits as its factorization.

110211100121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110211100121 its reverse (121001112011), we get a palindrome (231212212132).

The spelling of 110211100121 in words is "one hundred ten billion, two hundred eleven million, one hundred thousand, one hundred twenty-one".