211203209982 has 16 divisors (see below), whose sum is σ = 422423314560. Its totient is φ = 70398254232.

The previous prime is 211203209977. The next prime is 211203209983. The reversal of 211203209982 is 289902302112.

It is a self number, because there is not a number n which added to its sum of digits gives 211203209982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211203209983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538432 + ... + 843987.

It is an arithmetic number, because the mean of its divisors is an integer number (26401457160).

Almost surely, 2^211203209982 is an apocalyptic number.

211203209982 is an abundant number, since it is smaller than the sum of its proper divisors (211220104578).

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

211203209982 is a wasteful number, since it uses less digits than its factorization.

211203209982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407887.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 211203209982 in words is "two hundred eleven billion, two hundred three million, two hundred nine thousand, nine hundred eighty-two".