211421132241 has 16 divisors (see below), whose sum is σ = 307856317440. Its totient is φ = 127994573520.

The previous prime is 211421132183. The next prime is 211421132257. The reversal of 211421132241 is 142231124112.

It is not a de Polignac number, because 211421132241 - 2⁷ = 211421132113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211421132291) 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, 3455365 + ... + 3516018.

It is an arithmetic number, because the mean of its divisors is an integer number (19241019840).

Almost surely, 2^211421132241 is an apocalyptic number.

It is an amenable number.

211421132241 is a deficient number, since it is larger than the sum of its proper divisors (96435185199).

211421132241 is a wasteful number, since it uses less digits than its factorization.

211421132241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972316.

The product of its digits is 768, while the sum is 24.

Adding to 211421132241 its reverse (142231124112), we get a palindrome (353652256353).

The spelling of 211421132241 in words is "two hundred eleven billion, four hundred twenty-one million, one hundred thirty-two thousand, two hundred forty-one".