106521113141 has 2 divisors, whose sum is σ = 106521113142. Its totient is φ = 106521113140.

The previous prime is 106521113113. The next prime is 106521113173. The reversal of 106521113141 is 141311125601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63234646225 + 43286466916 = 251465^2 + 208054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106521113141 is a prime.

It is a super-2 number, since 2×106521113141² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 106521113141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106521113191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53260556570 + 53260556571.

It is an arithmetic number, because the mean of its divisors is an integer number (53260556571).

Almost surely, 2^106521113141 is an apocalyptic number.

It is an amenable number.

106521113141 is a deficient number, since it is larger than the sum of its proper divisors (1).

106521113141 is an equidigital number, since it uses as much as digits as its factorization.

106521113141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 106521113141 its reverse (141311125601), we get a palindrome (247832238742).

The spelling of 106521113141 in words is "one hundred six billion, five hundred twenty-one million, one hundred thirteen thousand, one hundred forty-one".