3043221040021 has 4 divisors (see below), whose sum is σ = 3044641117312. Its totient is φ = 3041800962732.

The previous prime is 3043221040019. The next prime is 3043221040073. The reversal of 3043221040021 is 1200401223403.

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 3043221040021 - 2¹ = 3043221040019 is a prime.

It is a super-2 number, since 2×3043221040021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3043221039974 and 3043221040001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3043221040091) 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, 710035431 + ... + 710039716.

It is an arithmetic number, because the mean of its divisors is an integer number (761160279328).

Almost surely, 2^{3043221040021} is an apocalyptic number.

It is an amenable number.

3043221040021 is a deficient number, since it is larger than the sum of its proper divisors (1420077291).

3043221040021 is a wasteful number, since it uses less digits than its factorization.

3043221040021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420077290.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 3043221040021 its reverse (1200401223403), we get a palindrome (4243622263424).

The spelling of 3043221040021 in words is "three trillion, forty-three billion, two hundred twenty-one million, forty thousand, twenty-one".