10142112340981 has 2 divisors, whose sum is σ = 10142112340982. Its totient is φ = 10142112340980.

The previous prime is 10142112340963. The next prime is 10142112341017. The reversal of 10142112340981 is 18904321124101.

10142112340981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8410609011025 + 1731503329956 = 2900105^2 + 1315866^2 .

It is a cyclic number.

It is not a de Polignac number, because 10142112340981 - 2¹³ = 10142112332789 is a prime.

It is a super-2 number, since 2×10142112340981² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10142112340981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10142112340901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071056170490 + 5071056170491.

It is an arithmetic number, because the mean of its divisors is an integer number (5071056170491).

Almost surely, 2^{10142112340981} is an apocalyptic number.

It is an amenable number.

10142112340981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142112340981 is an equidigital number, since it uses as much as digits as its factorization.

10142112340981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 10142112340981 in words is "ten trillion, one hundred forty-two billion, one hundred twelve million, three hundred forty thousand, nine hundred eighty-one".