2021130251241 has 16 divisors (see below), whose sum is σ = 2752264844544. Its totient is φ = 1318709735424.

The previous prime is 2021130251213. The next prime is 2021130251293. The reversal of 2021130251241 is 1421520311202.

It is a happy number.

It is not a de Polignac number, because 2021130251241 - 2¹⁴ = 2021130234857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021130251341) 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, 4582761 + ... + 5004393.

It is an arithmetic number, because the mean of its divisors is an integer number (172016552784).

Almost surely, 2^{2021130251241} is an apocalyptic number.

It is an amenable number.

2021130251241 is a deficient number, since it is larger than the sum of its proper divisors (731134593303).

2021130251241 is a wasteful number, since it uses less digits than its factorization.

2021130251241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455680.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2021130251241 its reverse (1421520311202), we get a palindrome (3442650562443).

The spelling of 2021130251241 in words is "two trillion, twenty-one billion, one hundred thirty million, two hundred fifty-one thousand, two hundred forty-one".