211075123004 has 6 divisors (see below), whose sum is σ = 369381465264. Its totient is φ = 105537561500.

The previous prime is 211075123001. The next prime is 211075123027. The reversal of 211075123004 is 400321570112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211075123001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26384390372 + ... + 26384390379.

It is an arithmetic number, because the mean of its divisors is an integer number (61563577544).

Almost surely, 2^211075123004 is an apocalyptic number.

It is an amenable number.

211075123004 is a deficient number, since it is larger than the sum of its proper divisors (158306342260).

211075123004 is a wasteful number, since it uses less digits than its factorization.

211075123004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52768780755 (or 52768780753 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 211075123004 its reverse (400321570112), we get a palindrome (611396693116).

The spelling of 211075123004 in words is "two hundred eleven billion, seventy-five million, one hundred twenty-three thousand, four".