10121343137 has 2 divisors, whose sum is σ = 10121343138. Its totient is φ = 10121343136.

The previous prime is 10121343121. The next prime is 10121343191. The reversal of 10121343137 is 73134312101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7358894656 + 2762448481 = 85784^2 + 52559^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121343137 - 2⁴ = 10121343121 is a prime.

It is not a weakly prime, because it can be changed into another prime (10121342137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060671568 + 5060671569.

It is an arithmetic number, because the mean of its divisors is an integer number (5060671569).

Almost surely, 2^10121343137 is an apocalyptic number.

It is an amenable number.

10121343137 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121343137 is an equidigital number, since it uses as much as digits as its factorization.

10121343137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 10121343137 its reverse (73134312101), we get a palindrome (83255655238).

The spelling of 10121343137 in words is "ten billion, one hundred twenty-one million, three hundred forty-three thousand, one hundred thirty-seven".