211201122011 has 8 divisors (see below), whose sum is σ = 230407573248. Its totient is φ = 191995729000.

The previous prime is 211201122007. The next prime is 211201122037. The reversal of 211201122011 is 110221102112.

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 211201122011 - 2² = 211201122007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211201122071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186146 + ... + 676056.

It is an arithmetic number, because the mean of its divisors is an integer number (28800946656).

Almost surely, 2^211201122011 is an apocalyptic number.

211201122011 is a deficient number, since it is larger than the sum of its proper divisors (19206451237).

211201122011 is a wasteful number, since it uses less digits than its factorization.

211201122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529113.

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

Adding to 211201122011 its reverse (110221102112), we get a palindrome (321422224123).

The spelling of 211201122011 in words is "two hundred eleven billion, two hundred one million, one hundred twenty-two thousand, eleven".