10221248137 has 2 divisors, whose sum is σ = 10221248138. Its totient is φ = 10221248136.

The previous prime is 10221248129. The next prime is 10221248159. The reversal of 10221248137 is 73184212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9235978816 + 985269321 = 96104^2 + 31389^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221248137 - 2³ = 10221248129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10221248099 and 10221248108.

It is not a weakly prime, because it can be changed into another prime (10221248237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110624068 + 5110624069.

It is an arithmetic number, because the mean of its divisors is an integer number (5110624069).

Almost surely, 2^10221248137 is an apocalyptic number.

It is an amenable number.

10221248137 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221248137 is an equidigital number, since it uses as much as digits as its factorization.

10221248137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 10221248137 in words is "ten billion, two hundred twenty-one million, two hundred forty-eight thousand, one hundred thirty-seven".