212113021200111 has 24 divisors (see below), whose sum is σ = 324418117111920. Its totient is φ = 133086434063616.

The previous prime is 212113021200061. The next prime is 212113021200131. The reversal of 212113021200111 is 111002120311212.

It is a happy number.

212113021200111 is a `hidden beast` number, since 21 + 211 + 302 + 1 + 20 + 0 + 111 = 666.

It is not a de Polignac number, because 212113021200111 - 2¹⁵ = 212113021167343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212113021200131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16297141 + ... + 26264478.

It is an arithmetic number, because the mean of its divisors is an integer number (13517421546330).

Almost surely, 2^{212113021200111} is an apocalyptic number.

212113021200111 is a deficient number, since it is larger than the sum of its proper divisors (112305095911809).

212113021200111 is a wasteful number, since it uses less digits than its factorization.

212113021200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42594215 (or 42594212 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 212113021200111 its reverse (111002120311212), we get a palindrome (323115141511323).

The spelling of 212113021200111 in words is "two hundred twelve trillion, one hundred thirteen billion, twenty-one million, two hundred thousand, one hundred eleven".