4102140323021 has 8 divisors (see below), whose sum is σ = 4419685854360. Its totient is φ = 3784879973952.

The previous prime is 4102140322993. The next prime is 4102140323063. The reversal of 4102140323021 is 1203230412014.

It can be written as a sum of positive squares in 4 ways, for example, as 127456140100 + 3974684182921 = 357010^2 + 1993661^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4102140323021 - 2¹⁸ = 4102140060877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102140323821) 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, 71265686 + ... + 71323223.

It is an arithmetic number, because the mean of its divisors is an integer number (552460731795).

Almost surely, 2^{4102140323021} is an apocalyptic number.

It is an amenable number.

4102140323021 is a deficient number, since it is larger than the sum of its proper divisors (317545531339).

4102140323021 is a wasteful number, since it uses less digits than its factorization.

4102140323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142591135.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4102140323021 its reverse (1203230412014), we get a palindrome (5305370735035).

The spelling of 4102140323021 in words is "four trillion, one hundred two billion, one hundred forty million, three hundred twenty-three thousand, twenty-one".