2021142101413 has 4 divisors (see below), whose sum is σ = 2024199805708. Its totient is φ = 2018084397120.

The previous prime is 2021142101401. The next prime is 2021142101423. The reversal of 2021142101413 is 3141012411202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 946919717604 + 1074222383809 = 973098^2 + 1036447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021142101413 - 2²⁵ = 2021108546981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021142101423) 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, 1528851156 + ... + 1528852477.

It is an arithmetic number, because the mean of its divisors is an integer number (506049951427).

Almost surely, 2^{2021142101413} is an apocalyptic number.

It is an amenable number.

2021142101413 is a deficient number, since it is larger than the sum of its proper divisors (3057704295).

2021142101413 is an equidigital number, since it uses as much as digits as its factorization.

2021142101413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057704294.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2021142101413 its reverse (3141012411202), we get a palindrome (5162154512615).

The spelling of 2021142101413 in words is "two trillion, twenty-one billion, one hundred forty-two million, one hundred one thousand, four hundred thirteen".