1110202210121 has 2 divisors, whose sum is σ = 1110202210122. Its totient is φ = 1110202210120.

The previous prime is 1110202210063. The next prime is 1110202210133. The reversal of 1110202210121 is 1210122020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766500250000 + 343701960121 = 875500^2 + 586261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110202210121 - 2¹⁸ = 1110201947977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110202210096 and 1110202210105.

It is not a weakly prime, because it can be changed into another prime (1110202210721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555101105060 + 555101105061.

It is an arithmetic number, because the mean of its divisors is an integer number (555101105061).

Almost surely, 2^{1110202210121} is an apocalyptic number.

It is an amenable number.

1110202210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110202210121 is an equidigital number, since it uses as much as digits as its factorization.

1110202210121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1110202210121 its reverse (1210122020111), we get a palindrome (2320324230232).

The spelling of 1110202210121 in words is "one trillion, one hundred ten billion, two hundred two million, two hundred ten thousand, one hundred twenty-one".