211011022168 has 16 divisors (see below), whose sum is σ = 416469123000. Its totient is φ = 99952589376.

The previous prime is 211011022151. The next prime is 211011022169. The reversal of 211011022168 is 861220110112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011022169) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 694115053 + ... + 694115356.

Almost surely, 2^211011022168 is an apocalyptic number.

It is an amenable number.

211011022168 is a deficient number, since it is larger than the sum of its proper divisors (205458100832).

211011022168 is a wasteful number, since it uses less digits than its factorization.

211011022168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388230434 (or 1388230430 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 211011022168 in words is "two hundred eleven billion, eleven million, twenty-two thousand, one hundred sixty-eight".