2043221420241 has 12 divisors (see below), whose sum is σ = 2981745808132. Its totient is φ = 1348104854016.

The previous prime is 2043221420237. The next prime is 2043221420249. The reversal of 2043221420241 is 1420241223402.

It is a happy number.

2043221420241 is a `hidden beast` number, since 2 + 0 + 432 + 21 + 4 + 202 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 463413755025 + 1579807665216 = 680745^2 + 1256904^2 .

It is not a de Polignac number, because 2043221420241 - 2² = 2043221420237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043221420249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1170229036 + ... + 1170230781.

Almost surely, 2^{2043221420241} is an apocalyptic number.

It is an amenable number.

2043221420241 is a deficient number, since it is larger than the sum of its proper divisors (938524387891).

2043221420241 is a wasteful number, since it uses less digits than its factorization.

2043221420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340459920 (or 2340459917 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2043221420241 its reverse (1420241223402), we get a palindrome (3463462643643).

The spelling of 2043221420241 in words is "two trillion, forty-three billion, two hundred twenty-one million, four hundred twenty thousand, two hundred forty-one".