231122212322211 has 12 divisors (see below), whose sum is σ = 381535080658992. Its totient is φ = 132069835612656.

The previous prime is 231122212322207. The next prime is 231122212322237. The reversal of 231122212322211 is 112223212221132.

231122212322211 is a `hidden beast` number, since 2 + 3 + 1 + 122 + 2 + 1 + 2 + 322 + 211 = 666.

It is not a de Polignac number, because 231122212322211 - 2² = 231122212322207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231122212322201) 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, 1834303272336 + ... + 1834303272461.

It is an arithmetic number, because the mean of its divisors is an integer number (31794590054916).

Almost surely, 2^{231122212322211} is an apocalyptic number.

231122212322211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231122212322211 is a deficient number, since it is larger than the sum of its proper divisors (150412868336781).

231122212322211 is a wasteful number, since it uses less digits than its factorization.

231122212322211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668606544810 (or 3668606544807 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 231122212322211 its reverse (112223212221132), we get a palindrome (343345424543343).

The spelling of 231122212322211 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, two hundred twelve million, three hundred twenty-two thousand, two hundred eleven".