10302102121 has 2 divisors, whose sum is σ = 10302102122. Its totient is φ = 10302102120.

The previous prime is 10302102089. The next prime is 10302102149. The reversal of 10302102121 is 12120120301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5496146496 + 4805955625 = 74136^2 + 69325^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302102121 - 2⁵ = 10302102089 is a prime.

It is a super-2 number, since 2×10302102121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10302100121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151051060 + 5151051061.

It is an arithmetic number, because the mean of its divisors is an integer number (5151051061).

Almost surely, 2^10302102121 is an apocalyptic number.

It is an amenable number.

10302102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302102121 is an equidigital number, since it uses as much as digits as its factorization.

10302102121 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 13.

Adding to 10302102121 its reverse (12120120301), we get a palindrome (22422222422).

The spelling of 10302102121 in words is "ten billion, three hundred two million, one hundred two thousand, one hundred twenty-one".