211040123344 has 10 divisors (see below), whose sum is σ = 408890239010. Its totient is φ = 105520061664.

The previous prime is 211040123341. The next prime is 211040123353. The reversal of 211040123344 is 443321040112.

211040123344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 145100046400 + 65940076944 = 380920^2 + 256788^2 .

It is a super-2 number, since 2×211040123344² (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 (211040123341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6595003839 + ... + 6595003870.

It is an arithmetic number, because the mean of its divisors is an integer number (40889023901).

Almost surely, 2^211040123344 is an apocalyptic number.

It is an amenable number.

211040123344 is a deficient number, since it is larger than the sum of its proper divisors (197850115666).

211040123344 is a wasteful number, since it uses less digits than its factorization.

211040123344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13190007717 (or 13190007711 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211040123344 its reverse (443321040112), we get a palindrome (654361163456).

The spelling of 211040123344 in words is "two hundred eleven billion, forty million, one hundred twenty-three thousand, three hundred forty-four".