211200022022011 has 16 divisors (see below), whose sum is σ = 235277097949440. Its totient is φ = 187952146801120.

The previous prime is 211200022021993. The next prime is 211200022022029. The reversal of 211200022022011 is 110220220002112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211200022021993) and next prime (211200022022029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211200022022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211200022022711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408617791 + ... + 409134328.

It is an arithmetic number, because the mean of its divisors is an integer number (14704818621840).

Almost surely, 2^{211200022022011} is an apocalyptic number.

211200022022011 is a deficient number, since it is larger than the sum of its proper divisors (24077075927429).

211200022022011 is a wasteful number, since it uses less digits than its factorization.

211200022022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817752626.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211200022022011 its reverse (110220220002112), we get a palindrome (321420242024123).

The spelling of 211200022022011 in words is "two hundred eleven trillion, two hundred billion, twenty-two million, twenty-two thousand, eleven".