2043221055533 has 8 divisors (see below), whose sum is σ = 2363243631168. Its totient is φ = 1730231943264.

The previous prime is 2043221055503. The next prime is 2043221055571. The reversal of 2043221055533 is 3355501223402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2043221055533 - 2¹² = 2043221051437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043221055493 and 2043221055502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043221055503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758365216 + ... + 1758366377.

It is an arithmetic number, because the mean of its divisors is an integer number (295405453896).

Almost surely, 2^{2043221055533} is an apocalyptic number.

It is an amenable number.

2043221055533 is a deficient number, since it is larger than the sum of its proper divisors (320022575635).

2043221055533 is an equidigital number, since it uses as much as digits as its factorization.

2043221055533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516731683.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 2043221055533 its reverse (3355501223402), we get a palindrome (5398722278935).

The spelling of 2043221055533 in words is "two trillion, forty-three billion, two hundred twenty-one million, fifty-five thousand, five hundred thirty-three".