10100420320043 has 4 divisors (see below), whose sum is σ = 10346772035208. Its totient is φ = 9854068604880.

The previous prime is 10100420320031. The next prime is 10100420320049. The reversal of 10100420320043 is 34002302400101.

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 10100420320043 - 2⁴⁰ = 9000908692267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100420319997 and 10100420320024.

It is not an unprimeable number, because it can be changed into a prime (10100420320049) 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, 123175857521 + ... + 123175857602.

It is an arithmetic number, because the mean of its divisors is an integer number (2586693008802).

Almost surely, 2^{10100420320043} is an apocalyptic number.

10100420320043 is a deficient number, since it is larger than the sum of its proper divisors (246351715165).

10100420320043 is an equidigital number, since it uses as much as digits as its factorization.

10100420320043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246351715164.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10100420320043 its reverse (34002302400101), we get a palindrome (44102722720144).

The spelling of 10100420320043 in words is "ten trillion, one hundred billion, four hundred twenty million, three hundred twenty thousand, forty-three".