2021213240241 has 16 divisors (see below), whose sum is σ = 2907804182976. Its totient is φ = 1241445272256.

The previous prime is 2021213240191. The next prime is 2021213240297. The reversal of 2021213240241 is 1420423121202.

It is not a de Polignac number, because 2021213240241 - 2¹⁵ = 2021213207473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021213240341) 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, 49526430 + ... + 49567223.

It is an arithmetic number, because the mean of its divisors is an integer number (181737761436).

Almost surely, 2^{2021213240241} is an apocalyptic number.

It is an amenable number.

2021213240241 is a deficient number, since it is larger than the sum of its proper divisors (886590942735).

2021213240241 is a wasteful number, since it uses less digits than its factorization.

2021213240241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99094192.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2021213240241 its reverse (1420423121202), we get a palindrome (3441636361443).

The spelling of 2021213240241 in words is "two trillion, twenty-one billion, two hundred thirteen million, two hundred forty thousand, two hundred forty-one".