211122210200111 has 8 divisors (see below), whose sum is σ = 255475615704480. Its totient is φ = 170317077136128.

The previous prime is 211122210200087. The next prime is 211122210200149. The reversal of 211122210200111 is 111002012221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211122210200111 - 2⁴⁶ = 140753466022447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211122210200111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122210200911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887068109966 + ... + 887068110203.

It is an arithmetic number, because the mean of its divisors is an integer number (31934451963060).

Almost surely, 2^{211122210200111} is an apocalyptic number.

211122210200111 is a deficient number, since it is larger than the sum of its proper divisors (44353405504369).

211122210200111 is a wasteful number, since it uses less digits than its factorization.

211122210200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774136220193.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211122210200111 its reverse (111002012221112), we get a palindrome (322124222421223).

The spelling of 211122210200111 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred ten million, two hundred thousand, one hundred eleven".