10122043381 has 2 divisors, whose sum is σ = 10122043382. Its totient is φ = 10122043380.

The previous prime is 10122043331. The next prime is 10122043409. The reversal of 10122043381 is 18334022101.

It is a happy number.

10122043381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6389444356 + 3732599025 = 79934^2 + 61095^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122043381 - 2²⁹ = 9585172469 is a prime.

It is a super-2 number, since 2×10122043381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122043301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061021690 + 5061021691.

It is an arithmetic number, because the mean of its divisors is an integer number (5061021691).

Almost surely, 2^10122043381 is an apocalyptic number.

It is an amenable number.

10122043381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122043381 is an equidigital number, since it uses as much as digits as its factorization.

10122043381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 10122043381 its reverse (18334022101), we get a palindrome (28456065482).

The spelling of 10122043381 in words is "ten billion, one hundred twenty-two million, forty-three thousand, three hundred eighty-one".