211020310986 has 16 divisors (see below), whose sum is σ = 435654835968. Its totient is φ = 68071068000.

The previous prime is 211020310933. The next prime is 211020310993. The reversal of 211020310986 is 689013020112.

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, 567258715 + ... + 567259086.

It is an arithmetic number, because the mean of its divisors is an integer number (27228427248).

Almost surely, 2^211020310986 is an apocalyptic number.

211020310986 is an abundant number, since it is smaller than the sum of its proper divisors (224634524982).

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

211020310986 is a wasteful number, since it uses less digits than its factorization.

211020310986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134517837.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 211020310986 in words is "two hundred eleven billion, twenty million, three hundred ten thousand, nine hundred eighty-six".