202111423441 has 16 divisors (see below), whose sum is σ = 220260600000. Its totient is φ = 184723955136.

The previous prime is 202111423427. The next prime is 202111423463. The reversal of 202111423441 is 144324111202.

It is a cyclic number.

It is not a de Polignac number, because 202111423441 - 2¹⁹ = 202110899153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202111423541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548035 + ... + 839383.

It is an arithmetic number, because the mean of its divisors is an integer number (13766287500).

Almost surely, 2^202111423441 is an apocalyptic number.

It is an amenable number.

202111423441 is a deficient number, since it is larger than the sum of its proper divisors (18149176559).

202111423441 is a wasteful number, since it uses less digits than its factorization.

202111423441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292656.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 202111423441 its reverse (144324111202), we get a palindrome (346435534643).

The spelling of 202111423441 in words is "two hundred two billion, one hundred eleven million, four hundred twenty-three thousand, four hundred forty-one".