23111140222011 has 16 divisors (see below), whose sum is σ = 30942970765344. Its totient is φ = 15343483567104.

The previous prime is 23111140222007. The next prime is 23111140222031. The reversal of 23111140222011 is 11022204111132.

It is not a de Polignac number, because 23111140222011 - 2² = 23111140222007 is a prime.

It is a super-2 number, since 2×23111140222011² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23111140222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13612836 + ... + 15216161.

It is an arithmetic number, because the mean of its divisors is an integer number (1933935672834).

Almost surely, 2^{23111140222011} is an apocalyptic number.

23111140222011 is a deficient number, since it is larger than the sum of its proper divisors (7831830543333).

23111140222011 is a wasteful number, since it uses less digits than its factorization.

23111140222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28830110.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 23111140222011 its reverse (11022204111132), we get a palindrome (34133344333143).

The spelling of 23111140222011 in words is "twenty-three trillion, one hundred eleven billion, one hundred forty million, two hundred twenty-two thousand, eleven".