211131201441 has 16 divisors (see below), whose sum is σ = 281909476224. Its totient is φ = 140553625344.

The previous prime is 211131201353. The next prime is 211131201451. The reversal of 211131201441 is 144102131112.

It is not a de Polignac number, because 211131201441 - 2⁷ = 211131201313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211131201451) 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, 11401396 + ... + 11419898.

It is an arithmetic number, because the mean of its divisors is an integer number (17619342264).

Almost surely, 2^211131201441 is an apocalyptic number.

It is an amenable number.

211131201441 is a deficient number, since it is larger than the sum of its proper divisors (70778274783).

211131201441 is a wasteful number, since it uses less digits than its factorization.

211131201441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23720.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 211131201441 its reverse (144102131112), we get a palindrome (355233332553).

The spelling of 211131201441 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred one thousand, four hundred forty-one".