1323122011011 has 12 divisors (see below), whose sum is σ = 1994270857488. Its totient is φ = 843729977904.

The previous prime is 1323122011009. The next prime is 1323122011049. The reversal of 1323122011011 is 1101102213231.

1323122011011 is a `hidden beast` number, since 1 + 323 + 1 + 220 + 110 + 11 = 666.

It is not a de Polignac number, because 1323122011011 - 2¹ = 1323122011009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323122011051) 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, 3195946680 + ... + 3195947093.

It is an arithmetic number, because the mean of its divisors is an integer number (166189238124).

Almost surely, 2^{1323122011011} is an apocalyptic number.

1323122011011 is a deficient number, since it is larger than the sum of its proper divisors (671148846477).

1323122011011 is a wasteful number, since it uses less digits than its factorization.

1323122011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391893802 (or 6391893799 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1323122011011 its reverse (1101102213231), we get a palindrome (2424224224242).

The spelling of 1323122011011 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-two million, eleven thousand, eleven".