211131133222 has 16 divisors (see below), whose sum is σ = 324088324560. Its totient is φ = 103102094592.

The previous prime is 211131133177. The next prime is 211131133253. The reversal of 211131133222 is 222331131112.

It is a junction number, because it is equal to n+sod(n) for n = 211131133193 and 211131133202.

It is a congruent number.

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, 1026654 + ... + 1215022.

It is an arithmetic number, because the mean of its divisors is an integer number (20255520285).

Almost surely, 2^211131133222 is an apocalyptic number.

211131133222 is a deficient number, since it is larger than the sum of its proper divisors (112957191338).

211131133222 is a wasteful number, since it uses less digits than its factorization.

211131133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201447.

The product of its digits is 432, while the sum is 22.

Adding to 211131133222 its reverse (222331131112), we get a palindrome (433462264334).

The spelling of 211131133222 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-two".