211000210011987 has 16 divisors (see below), whose sum is σ = 306909974461440. Its totient is φ = 127878674292000.

The previous prime is 211000210011839. The next prime is 211000210012057. The reversal of 211000210011987 is 789110012000112.

It is not a de Polignac number, because 211000210011987 - 2¹⁰ = 211000210010963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (211000210011587) 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, 12625737 + ... + 24112437.

It is an arithmetic number, because the mean of its divisors is an integer number (19181873403840).

Almost surely, 2^{211000210011987} is an apocalyptic number.

211000210011987 is a deficient number, since it is larger than the sum of its proper divisors (95909764449453).

211000210011987 is a wasteful number, since it uses less digits than its factorization.

211000210011987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043354.

The product of its (nonzero) digits is 2016, while the sum is 33.

The spelling of 211000210011987 in words is "two hundred eleven trillion, two hundred ten million, eleven thousand, nine hundred eighty-seven".