101330043145 has 4 divisors (see below), whose sum is σ = 121596051780. Its totient is φ = 81064034512.

The previous prime is 101330043131. The next prime is 101330043163. The reversal of 101330043145 is 541340033101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43847103609 + 57482939536 = 209397^2 + 239756^2 .

It is a cyclic number.

It is not a de Polignac number, because 101330043145 - 2²¹ = 101327945993 is a prime.

It is a super-2 number, since 2×101330043145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10133004310 + ... + 10133004319.

It is an arithmetic number, because the mean of its divisors is an integer number (30399012945).

Almost surely, 2^101330043145 is an apocalyptic number.

It is an amenable number.

101330043145 is a deficient number, since it is larger than the sum of its proper divisors (20266008635).

101330043145 is an equidigital number, since it uses as much as digits as its factorization.

101330043145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20266008634.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 101330043145 its reverse (541340033101), we get a palindrome (642670076246).

The spelling of 101330043145 in words is "one hundred one billion, three hundred thirty million, forty-three thousand, one hundred forty-five".