211123345052 has 12 divisors (see below), whose sum is σ = 370172293176. Its totient is φ = 105359832720.

The previous prime is 211123345007. The next prime is 211123345067. The reversal of 211123345052 is 250543321112.

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, 50457599 + ... + 50461782.

It is an arithmetic number, because the mean of its divisors is an integer number (30847691098).

Almost surely, 2^211123345052 is an apocalyptic number.

It is an amenable number.

211123345052 is a deficient number, since it is larger than the sum of its proper divisors (159048948124).

211123345052 is a wasteful number, since it uses less digits than its factorization.

211123345052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100919908 (or 100919906 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 211123345052 its reverse (250543321112), we get a palindrome (461666666164).

The spelling of 211123345052 in words is "two hundred eleven billion, one hundred twenty-three million, three hundred forty-five thousand, fifty-two".