12101221221133 has 32 divisors (see below), whose sum is σ = 13555286807040. Its totient is φ = 10708722984960.

The previous prime is 12101221221127. The next prime is 12101221221149. The reversal of 12101221221133 is 33112212210121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12101221221133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101221231133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322740735 + ... + 322778227.

It is an arithmetic number, because the mean of its divisors is an integer number (423602712720).

Almost surely, 2^{12101221221133} is an apocalyptic number.

It is an amenable number.

12101221221133 is a deficient number, since it is larger than the sum of its proper divisors (1454065585907).

12101221221133 is a wasteful number, since it uses less digits than its factorization.

12101221221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40917.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12101221221133 its reverse (33112212210121), we get a palindrome (45213433431254).

The spelling of 12101221221133 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty-three".