211132043344 has 10 divisors (see below), whose sum is σ = 409068334010. Its totient is φ = 105566021664.

The previous prime is 211132043329. The next prime is 211132043347. The reversal of 211132043344 is 443340231112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 108675715600 + 102456327744 = 329660^2 + 320088^2 .

It is a super-2 number, since 2×211132043344² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211132043347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6597876339 + ... + 6597876370.

It is an arithmetic number, because the mean of its divisors is an integer number (40906833401).

Almost surely, 2^211132043344 is an apocalyptic number.

It is an amenable number.

211132043344 is a deficient number, since it is larger than the sum of its proper divisors (197936290666).

211132043344 is a wasteful number, since it uses less digits than its factorization.

211132043344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195752717 (or 13195752711 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 211132043344 its reverse (443340231112), we get a palindrome (654472274456).

The spelling of 211132043344 in words is "two hundred eleven billion, one hundred thirty-two million, forty-three thousand, three hundred forty-four".