211122332202231 has 12 divisors (see below), whose sum is σ = 306717222508008. Its totient is φ = 139934647932624.

The previous prime is 211122332202191. The next prime is 211122332202247. The reversal of 211122332202231 is 132202233221112.

211122332202231 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 223 + 3 + 2 + 202 + 231 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-211122332202231 is a prime.

It is a super-2 number, since 2×211122332202231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211122332202195 and 211122332202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122332202731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67797792985 + ... + 67797796098.

It is an arithmetic number, because the mean of its divisors is an integer number (25559768542334).

Almost surely, 2^{211122332202231} is an apocalyptic number.

211122332202231 is a deficient number, since it is larger than the sum of its proper divisors (95594890305777).

211122332202231 is a wasteful number, since it uses less digits than its factorization.

211122332202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135595589262 (or 135595589259 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 211122332202231 its reverse (132202233221112), we get a palindrome (343324565423343).

The spelling of 211122332202231 in words is "two hundred eleven trillion, one hundred twenty-two billion, three hundred thirty-two million, two hundred two thousand, two hundred thirty-one".