211012011222 has 16 divisors (see below), whose sum is σ = 422438189760. Its totient is φ = 70268309192.

The previous prime is 211012011191. The next prime is 211012011241. The reversal of 211012011222 is 222110210112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17250348 + ... + 17262575.

It is an arithmetic number, because the mean of its divisors is an integer number (26402386860).

Almost surely, 2^211012011222 is an apocalyptic number.

211012011222 is an abundant number, since it is smaller than the sum of its proper divisors (211426178538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211012011222 is a wasteful number, since it uses less digits than its factorization.

211012011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34513947.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211012011222 its reverse (222110210112), we get a palindrome (433122221334).

The spelling of 211012011222 in words is "two hundred eleven billion, twelve million, eleven thousand, two hundred twenty-two".