211244131401 has 16 divisors (see below), whose sum is σ = 296729951040. Its totient is φ = 133306214400.

The previous prime is 211244131333. The next prime is 211244131429. The reversal of 211244131401 is 104131442112.

It is a happy number.

It is not a de Polignac number, because 211244131401 - 2³⁵ = 176884393033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211244131481) 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, 1474440 + ... + 1611353.

It is an arithmetic number, because the mean of its divisors is an integer number (18545621940).

Almost surely, 2^211244131401 is an apocalyptic number.

It is an amenable number.

211244131401 is a deficient number, since it is larger than the sum of its proper divisors (85485819639).

211244131401 is a wasteful number, since it uses less digits than its factorization.

211244131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087016.

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

Adding to 211244131401 its reverse (104131442112), we get a palindrome (315375573513).

The spelling of 211244131401 in words is "two hundred eleven billion, two hundred forty-four million, one hundred thirty-one thousand, four hundred one".