211000222011 has 16 divisors (see below), whose sum is σ = 289055116800. Its totient is φ = 136809173088.

The previous prime is 211000221997. The next prime is 211000222021. The reversal of 211000222011 is 110222000112.

It is not a de Polignac number, because 211000222011 - 2¹⁰ = 211000220987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211000222021) 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, 113571 + ... + 659468.

It is an arithmetic number, because the mean of its divisors is an integer number (18065944800).

Almost surely, 2^211000222011 is an apocalyptic number.

211000222011 is a deficient number, since it is larger than the sum of its proper divisors (78054894789).

211000222011 is a wasteful number, since it uses less digits than its factorization.

211000222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775538.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211000222011 its reverse (110222000112), we get a palindrome (321222222123).

The spelling of 211000222011 in words is "two hundred eleven billion, two hundred twenty-two thousand, eleven".