2021233153 has 4 divisors (see below), whose sum is σ = 2051400880. Its totient is φ = 1991065428.

The previous prime is 2021233141. The next prime is 2021233157. The reversal of 2021233153 is 3513321202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021233153 - 2⁹ = 2021232641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021233157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15083763 + ... + 15083896.

It is an arithmetic number, because the mean of its divisors is an integer number (512850220).

Almost surely, 2^2021233153 is an apocalyptic number.

It is an amenable number.

2021233153 is a deficient number, since it is larger than the sum of its proper divisors (30167727).

2021233153 is an equidigital number, since it uses as much as digits as its factorization.

2021233153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30167726.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2021233153 is about 44958.1266624845. The cubic root of 2021233153 is about 1264.3640463932.

Adding to 2021233153 its reverse (3513321202), we get a palindrome (5534554355).

The spelling of 2021233153 in words is "two billion, twenty-one million, two hundred thirty-three thousand, one hundred fifty-three".