12101322111 has 8 divisors (see below), whose sum is σ = 16148208384. Its totient is φ = 8060991960.

The previous prime is 12101322061. The next prime is 12101322119. The reversal of 12101322111 is 11122310121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12101322111 - 2¹³ = 12101313919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101322119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634721 + ... + 1642106.

It is an arithmetic number, because the mean of its divisors is an integer number (2018526048).

Almost surely, 2^12101322111 is an apocalyptic number.

12101322111 is a deficient number, since it is larger than the sum of its proper divisors (4046886273).

12101322111 is a wasteful number, since it uses less digits than its factorization.

12101322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278061.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12101322111 its reverse (11122310121), we get a palindrome (23223632232).

The spelling of 12101322111 in words is "twelve billion, one hundred one million, three hundred twenty-two thousand, one hundred eleven".