10302100121 has 2 divisors, whose sum is σ = 10302100122. Its totient is φ = 10302100120.

The previous prime is 10302100117. The next prime is 10302100129. The reversal of 10302100121 is 12100120301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10159632025 + 142468096 = 100795^2 + 11936^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302100121 - 2² = 10302100117 is a prime.

It is a super-2 number, since 2×10302100121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10302100129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151050060 + 5151050061.

It is an arithmetic number, because the mean of its divisors is an integer number (5151050061).

Almost surely, 2^10302100121 is an apocalyptic number.

It is an amenable number.

10302100121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302100121 is an equidigital number, since it uses as much as digits as its factorization.

10302100121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10302100121 its reverse (12100120301), we get a palindrome (22402220422).

The spelling of 10302100121 in words is "ten billion, three hundred two million, one hundred thousand, one hundred twenty-one".