12210144101221 has 8 divisors (see below), whose sum is σ = 13321502654688. Its totient is φ = 11099009790000.

The previous prime is 12210144101213. The next prime is 12210144101231.

12210144101221 is nontrivially palindromic in base 10.

12210144101221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12210144101221 - 2³ = 12210144101213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210144101192 and 12210144101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210144101231) 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, 55946695 + ... + 56164516.

It is an arithmetic number, because the mean of its divisors is an integer number (1665187831836).

Almost surely, 2^{12210144101221} is an apocalyptic number.

12210144101221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12210144101221 is a deficient number, since it is larger than the sum of its proper divisors (1111358553467).

12210144101221 is a wasteful number, since it uses less digits than its factorization.

12210144101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112121123.

The product of its (nonzero) digits is 256, while the sum is 22.

It can be divided in two parts, 1221014 and 4101221, that added together give a palindrome (5322235).

The spelling of 12210144101221 in words is "twelve trillion, two hundred ten billion, one hundred forty-four million, one hundred one thousand, two hundred twenty-one".