12201220102121 has 8 divisors (see below), whose sum is σ = 13401797824320. Its totient is φ = 11056483204272.

The previous prime is 12201220102091. The next prime is 12201220102151. The reversal of 12201220102121 is 12120102210221.

It is an interprime number because it is at equal distance from previous prime (12201220102091) and next prime (12201220102151).

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 12201220102121 - 2²⁶ = 12201152993257 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 12201220102121.

It is not an unprimeable number, because it can be changed into a prime (12201220102151) 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, 13960205630 + ... + 13960206503.

It is an arithmetic number, because the mean of its divisors is an integer number (1675224728040).

Almost surely, 2^{12201220102121} is an apocalyptic number.

It is an amenable number.

12201220102121 is a deficient number, since it is larger than the sum of its proper divisors (1200577722199).

12201220102121 is a wasteful number, since it uses less digits than its factorization.

12201220102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27920412175.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12201220102121 its reverse (12120102210221), we get a palindrome (24321322312342).

The spelling of 12201220102121 in words is "twelve trillion, two hundred one billion, two hundred twenty million, one hundred two thousand, one hundred twenty-one".