10110010121 has 2 divisors, whose sum is σ = 10110010122. Its totient is φ = 10110010120.

The previous prime is 10110010117. The next prime is 10110010123. The reversal of 10110010121 is 12101001101.

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., 5148780025 + 4961230096 = 71755^2 + 70436^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110010121 - 2² = 10110010117 is a prime.

Together with 10110010123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10110010099 and 10110010108.

It is not a weakly prime, because it can be changed into another prime (10110010123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055005060 + 5055005061.

It is an arithmetic number, because the mean of its divisors is an integer number (5055005061).

Almost surely, 2^10110010121 is an apocalyptic number.

It is an amenable number.

10110010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10110010121 is an equidigital number, since it uses as much as digits as its factorization.

10110010121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10110010121 its reverse (12101001101), we get a palindrome (22211011222).

The spelling of 10110010121 in words is "ten billion, one hundred ten million, ten thousand, one hundred twenty-one".