211001202212011 has 4 divisors (see below), whose sum is σ = 211015475459712. Its totient is φ = 210986928964312.

The previous prime is 211001202211981. The next prime is 211001202212051. The reversal of 211001202212011 is 110212202100112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211001202212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211001202212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7136601676 + ... + 7136631241.

It is an arithmetic number, because the mean of its divisors is an integer number (52753868864928).

Almost surely, 2^{211001202212011} is an apocalyptic number.

211001202212011 is a deficient number, since it is larger than the sum of its proper divisors (14273247701).

211001202212011 is a wasteful number, since it uses less digits than its factorization.

211001202212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14273247700.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211001202212011 its reverse (110212202100112), we get a palindrome (321213404312123).

The spelling of 211001202212011 in words is "two hundred eleven trillion, one billion, two hundred two million, two hundred twelve thousand, eleven".