211240344124 has 12 divisors (see below), whose sum is σ = 385743237264. Its totient is φ = 101027990624.

The previous prime is 211240344109. The next prime is 211240344151. The reversal of 211240344124 is 421443042112.

It is a junction number, because it is equal to n+sod(n) for n = 211240344092 and 211240344101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148045257 + ... + 1148045440.

It is an arithmetic number, because the mean of its divisors is an integer number (32145269772).

Almost surely, 2^211240344124 is an apocalyptic number.

It is an amenable number.

211240344124 is a deficient number, since it is larger than the sum of its proper divisors (174502893140).

211240344124 is a wasteful number, since it uses less digits than its factorization.

211240344124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296090724 (or 2296090722 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 211240344124 its reverse (421443042112), we get a palindrome (632683386236).

The spelling of 211240344124 in words is "two hundred eleven billion, two hundred forty million, three hundred forty-four thousand, one hundred twenty-four".