10100021043 has 8 divisors (see below), whose sum is σ = 15390508288. Its totient is φ = 5771440584.

The previous prime is 10100021033. The next prime is 10100021047. The reversal of 10100021043 is 34012000101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10100021043 - 2⁶ = 10100020979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100021047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240476671 + ... + 240476712.

It is an arithmetic number, because the mean of its divisors is an integer number (1923813536).

Almost surely, 2^10100021043 is an apocalyptic number.

10100021043 is a deficient number, since it is larger than the sum of its proper divisors (5290487245).

10100021043 is an equidigital number, since it uses as much as digits as its factorization.

10100021043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480953393.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10100021043 its reverse (34012000101), we get a palindrome (44112021144).

The spelling of 10100021043 in words is "ten billion, one hundred million, twenty-one thousand, forty-three".