211002881049 has 12 divisors (see below), whose sum is σ = 305660277936. Its totient is φ = 140263200312.

The previous prime is 211002881041. The next prime is 211002881051. The reversal of 211002881049 is 940188200112.

It is a happy number.

It is not a de Polignac number, because 211002881049 - 2³ = 211002881041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211002881041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33778959 + ... + 33785204.

It is an arithmetic number, because the mean of its divisors is an integer number (25471689828).

Almost surely, 2^211002881049 is an apocalyptic number.

It is an amenable number.

211002881049 is a deficient number, since it is larger than the sum of its proper divisors (94657396887).

211002881049 is a wasteful number, since it uses less digits than its factorization.

211002881049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67564516 (or 67564513 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 211002881049 in words is "two hundred eleven billion, two million, eight hundred eighty-one thousand, forty-nine".