12101102221121 has 8 divisors (see below), whose sum is σ = 12273158367744. Its totient is φ = 11929216010400.

The previous prime is 12101102221063. The next prime is 12101102221223. The reversal of 12101102221121 is 12112220110121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101102221121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12101102221121.

It is not an unprimeable number, because it can be changed into a prime (12101102227121) 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, 42340541 + ... + 42625386.

It is an arithmetic number, because the mean of its divisors is an integer number (1534144795968).

Almost surely, 2^{12101102221121} is an apocalyptic number.

It is an amenable number.

12101102221121 is a deficient number, since it is larger than the sum of its proper divisors (172056146623).

12101102221121 is an equidigital number, since it uses as much as digits as its factorization.

12101102221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84967951.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12101102221121 its reverse (12112220110121), we get a palindrome (24213322331242).

The spelling of 12101102221121 in words is "twelve trillion, one hundred one billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty-one".