211156282198 has 4 divisors (see below), whose sum is σ = 316734423300. Its totient is φ = 105578141098.

The previous prime is 211156282189. The next prime is 211156282199. The reversal of 211156282198 is 891282651112.

211156282198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×211156282198² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211156282199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52789070548 + ... + 52789070551.

It is an arithmetic number, because the mean of its divisors is an integer number (79183605825).

Almost surely, 2^211156282198 is an apocalyptic number.

211156282198 is a deficient number, since it is larger than the sum of its proper divisors (105578141102).

211156282198 is a wasteful number, since it uses less digits than its factorization.

211156282198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105578141101.

The product of its digits is 138240, while the sum is 46.

The spelling of 211156282198 in words is "two hundred eleven billion, one hundred fifty-six million, two hundred eighty-two thousand, one hundred ninety-eight".