211143113168 has 20 divisors (see below), whose sum is σ = 440558226948. Its totient is φ = 97450667520.

The previous prime is 211143113123. The next prime is 211143113219. The reversal of 211143113168 is 861311341112.

It can be written as a sum of positive squares in 2 ways, for example, as 26631628864 + 184511484304 = 163192^2 + 429548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507555353 + ... + 507555768.

Almost surely, 2^211143113168 is an apocalyptic number.

It is an amenable number.

211143113168 is an abundant number, since it is smaller than the sum of its proper divisors (229415113780).

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

211143113168 is a wasteful number, since it uses less digits than its factorization.

211143113168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015111142 (or 1015111136 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The spelling of 211143113168 in words is "two hundred eleven billion, one hundred forty-three million, one hundred thirteen thousand, one hundred sixty-eight".