2021120034443 has 4 divisors (see below), whose sum is σ = 2021131639800. Its totient is φ = 2021108429088.

The previous prime is 2021120034431. The next prime is 2021120034499. The reversal of 2021120034443 is 3444300211202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2021120034443 - 2²⁰ = 2021118985867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021120064443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5537405 + ... + 5891102.

It is an arithmetic number, because the mean of its divisors is an integer number (505282909950).

Almost surely, 2^{2021120034443} is an apocalyptic number.

2021120034443 is a deficient number, since it is larger than the sum of its proper divisors (11605357).

2021120034443 is a wasteful number, since it uses less digits than its factorization.

2021120034443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11605356.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2021120034443 its reverse (3444300211202), we get a palindrome (5465420245645).

The spelling of 2021120034443 in words is "two trillion, twenty-one billion, one hundred twenty million, thirty-four thousand, four hundred forty-three".