12102121102101 has 8 divisors (see below), whose sum is σ = 16136383798080. Its totient is φ = 8067969570432.

The previous prime is 12102121102087. The next prime is 12102121102151. The reversal of 12102121102101 is 10120112120121.

It is a happy number.

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

It is not a de Polignac number, because 12102121102101 - 2¹⁷ = 12102120971029 is a prime.

It is a super-2 number, since 2×12102121102101² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102121102151) 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, 27536721 + ... + 27972758.

It is an arithmetic number, because the mean of its divisors is an integer number (2017047974760).

Almost surely, 2^{12102121102101} is an apocalyptic number.

It is an amenable number.

12102121102101 is a deficient number, since it is larger than the sum of its proper divisors (4034262695979).

12102121102101 is an equidigital number, since it uses as much as digits as its factorization.

12102121102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55582155.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12102121102101 its reverse (10120112120121), we get a palindrome (22222233222222).

The spelling of 12102121102101 in words is "twelve trillion, one hundred two billion, one hundred twenty-one million, one hundred two thousand, one hundred one".