122231122011 has 8 divisors (see below), whose sum is σ = 181083143760. Its totient is φ = 81487414656.

The previous prime is 122231122001. The next prime is 122231122067. The reversal of 122231122011 is 110221132221.

122231122011 is a `hidden beast` number, since 122 + 2 + 311 + 220 + 11 = 666.

It is not a de Polignac number, because 122231122011 - 2²¹ = 122229024859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122231122001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2263539270 + ... + 2263539323.

It is an arithmetic number, because the mean of its divisors is an integer number (22635392970).

Almost surely, 2^122231122011 is an apocalyptic number.

122231122011 is a deficient number, since it is larger than the sum of its proper divisors (58852021749).

122231122011 is an equidigital number, since it uses as much as digits as its factorization.

122231122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527078602 (or 4527078596 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122231122011 its reverse (110221132221), we get a palindrome (232452254232).

The spelling of 122231122011 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred twenty-two thousand, eleven".