211000210011992 has 8 divisors (see below), whose sum is σ = 395625393772500. Its totient is φ = 105500105005992.

The previous prime is 211000210011839. The next prime is 211000210012057. The reversal of 211000210011992 is 299110012000112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13187513125742 + ... + 13187513125757.

Almost surely, 2^{211000210011992} is an apocalyptic number.

It is an amenable number.

211000210011992 is a deficient number, since it is larger than the sum of its proper divisors (184625183760508).

211000210011992 is a wasteful number, since it uses less digits than its factorization.

211000210011992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26375026251505 (or 26375026251501 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 211000210011992 in words is "two hundred eleven trillion, two hundred ten million, eleven thousand, nine hundred ninety-two".