23112202122111 has 16 divisors (see below), whose sum is σ = 31105667516000. Its totient is φ = 15263496465408.

The previous prime is 23112202122089. The next prime is 23112202122199. The reversal of 23112202122111 is 11122120221132.

It is a de Polignac number, because none of the positive numbers 2^k-23112202122111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112202122511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6065686 + ... + 9111363.

It is an arithmetic number, because the mean of its divisors is an integer number (1944104219750).

Almost surely, 2^{23112202122111} is an apocalyptic number.

23112202122111 is a deficient number, since it is larger than the sum of its proper divisors (7993465393889).

23112202122111 is a wasteful number, since it uses less digits than its factorization.

23112202122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15181818.

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

Adding to 23112202122111 its reverse (11122120221132), we get a palindrome (34234322343243).

The spelling of 23112202122111 in words is "twenty-three trillion, one hundred twelve billion, two hundred two million, one hundred twenty-two thousand, one hundred eleven".