10104042021 has 16 divisors (see below), whose sum is σ = 14465443968. Its totient is φ = 6250496000.

The previous prime is 10104042019. The next prime is 10104042031. The reversal of 10104042021 is 12024040101.

It is a cyclic number.

It is not a de Polignac number, because 10104042021 - 2¹ = 10104042019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10104042031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391580 + ... + 1398821.

It is an arithmetic number, because the mean of its divisors is an integer number (904090248).

Almost surely, 2^10104042021 is an apocalyptic number.

It is an amenable number.

10104042021 is a deficient number, since it is larger than the sum of its proper divisors (4361401947).

10104042021 is a wasteful number, since it uses less digits than its factorization.

10104042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790492.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10104042021 its reverse (12024040101), we get a palindrome (22128082122).

The spelling of 10104042021 in words is "ten billion, one hundred four million, forty-two thousand, twenty-one".