12101222011 has 8 divisors (see below), whose sum is σ = 12137184000. Its totient is φ = 12065289600.

The previous prime is 12101221997. The next prime is 12101222017. The reversal of 12101222011 is 11022210121.

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

It is a cyclic number.

It is not a de Polignac number, because 12101222011 - 2¹⁹ = 12100697723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101221982 and 12101222000.

It is not an unprimeable number, because it can be changed into a prime (12101222017) 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, 1016230 + ... + 1028068.

It is an arithmetic number, because the mean of its divisors is an integer number (1517148000).

Almost surely, 2^12101222011 is an apocalyptic number.

12101222011 is a deficient number, since it is larger than the sum of its proper divisors (35961989).

12101222011 is a wasteful number, since it uses less digits than its factorization.

12101222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14789.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12101222011 its reverse (11022210121), we get a palindrome (23123432132).

It can be divided in two parts, 1210 and 1222011, that added together give a palindrome (1223221).

The spelling of 12101222011 in words is "twelve billion, one hundred one million, two hundred twenty-two thousand, eleven".