211100021120012 has 12 divisors (see below), whose sum is σ = 372814257483360. Its totient is φ = 104581661839056.

The previous prime is 211100021119937. The next prime is 211100021120033. The reversal of 211100021120012 is 210021120001112.

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, 242087179748 + ... + 242087180619.

It is an arithmetic number, because the mean of its divisors is an integer number (31067854790280).

Almost surely, 2^{211100021120012} is an apocalyptic number.

It is an amenable number.

211100021120012 is a deficient number, since it is larger than the sum of its proper divisors (161714236363348).

211100021120012 is a wasteful number, since it uses less digits than its factorization.

211100021120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484174360480 (or 484174360478 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211100021120012 its reverse (210021120001112), we get a palindrome (421121141121124).

The spelling of 211100021120012 in words is "two hundred eleven trillion, one hundred billion, twenty-one million, one hundred twenty thousand, twelve".