211100023012 has 6 divisors (see below), whose sum is σ = 369425040278. Its totient is φ = 105550011504.

The previous prime is 211100023003. The next prime is 211100023049. The reversal of 211100023012 is 210320001112.

It can be written as a sum of positive squares in only one way, i.e., 144260193856 + 66839829156 = 379816^2 + 258534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211100022983 and 211100023001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26387502873 + ... + 26387502880.

Almost surely, 2^211100023012 is an apocalyptic number.

It is an amenable number.

211100023012 is a deficient number, since it is larger than the sum of its proper divisors (158325017266).

211100023012 is a wasteful number, since it uses less digits than its factorization.

211100023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52775005757 (or 52775005755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 211100023012 its reverse (210320001112), we get a palindrome (421420024124).

The spelling of 211100023012 in words is "two hundred eleven billion, one hundred million, twenty-three thousand, twelve".