110202000121 has 2 divisors, whose sum is σ = 110202000122. Its totient is φ = 110202000120.

The previous prime is 110202000071. The next prime is 110202000157. The reversal of 110202000121 is 121000202011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108133114896 + 2068885225 = 328836^2 + 45485^2 .

It is a cyclic number.

It is not a de Polignac number, because 110202000121 - 2²⁵ = 110168445689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110202000098 and 110202000107.

It is not a weakly prime, because it can be changed into another prime (110202006121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101000060 + 55101000061.

It is an arithmetic number, because the mean of its divisors is an integer number (55101000061).

Almost surely, 2^110202000121 is an apocalyptic number.

It is an amenable number.

110202000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110202000121 is an equidigital number, since it uses as much as digits as its factorization.

110202000121 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 10.

Adding to 110202000121 its reverse (121000202011), we get a palindrome (231202202132).

The spelling of 110202000121 in words is "one hundred ten billion, two hundred two million, one hundred twenty-one", and thus it is an aban number.