10103120521043 has 4 divisors (see below), whose sum is σ = 11021586022968. Its totient is φ = 9184655019120.

The previous prime is 10103120521027. The next prime is 10103120521051. The reversal of 10103120521043 is 34012502130101.

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

It is a cyclic number.

It is not a de Polignac number, because 10103120521043 - 2⁴ = 10103120521027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10103120521343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459232750946 + ... + 459232750967.

It is an arithmetic number, because the mean of its divisors is an integer number (2755396505742).

Almost surely, 2^{10103120521043} is an apocalyptic number.

10103120521043 is a deficient number, since it is larger than the sum of its proper divisors (918465501925).

10103120521043 is an equidigital number, since it uses as much as digits as its factorization.

10103120521043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918465501924.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 10103120521043 its reverse (34012502130101), we get a palindrome (44115622651144).

The spelling of 10103120521043 in words is "ten trillion, one hundred three billion, one hundred twenty million, five hundred twenty-one thousand, forty-three".