10210010016121 has 2 divisors, whose sum is σ = 10210010016122. Its totient is φ = 10210010016120.

The previous prime is 10210010016097. The next prime is 10210010016137. The reversal of 10210010016121 is 12161001001201.

It is an a-pointer prime, because the next prime (10210010016137) can be obtained adding 10210010016121 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10030902465600 + 179107550521 = 3167160^2 + 423211^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210010016121 - 2⁷ = 10210010015993 is a prime.

It is a super-2 number, since 2×10210010016121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10210010016095 and 10210010016104.

It is not a weakly prime, because it can be changed into another prime (10210010016221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105005008060 + 5105005008061.

It is an arithmetic number, because the mean of its divisors is an integer number (5105005008061).

Almost surely, 2^{10210010016121} is an apocalyptic number.

It is an amenable number.

10210010016121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210010016121 is an equidigital number, since it uses as much as digits as its factorization.

10210010016121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10210010016121 its reverse (12161001001201), we get a palindrome (22371011017322).

The spelling of 10210010016121 in words is "ten trillion, two hundred ten billion, ten million, sixteen thousand, one hundred twenty-one".