2021152004245 has 16 divisors (see below), whose sum is σ = 2648875037760. Its totient is φ = 1468260217600.

The previous prime is 2021152004177. The next prime is 2021152004293. The reversal of 2021152004245 is 5424002511202.

It is a happy number.

It is not a de Polignac number, because 2021152004245 - 2¹⁵ = 2021151971477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20807515 + ... + 20904424.

It is an arithmetic number, because the mean of its divisors is an integer number (165554689860).

Almost surely, 2^{2021152004245} is an apocalyptic number.

It is an amenable number.

2021152004245 is a deficient number, since it is larger than the sum of its proper divisors (627723033515).

2021152004245 is a wasteful number, since it uses less digits than its factorization.

2021152004245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41712836.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 2021152004245 its reverse (5424002511202), we get a palindrome (7445154515447).

The spelling of 2021152004245 in words is "two trillion, twenty-one billion, one hundred fifty-two million, four thousand, two hundred forty-five".