12121200022101 has 24 divisors (see below), whose sum is σ = 16573455486720. Its totient is φ = 7879869156096.

The previous prime is 12121200022067. The next prime is 12121200022103. The reversal of 12121200022101 is 10122000212121.

It is not a de Polignac number, because 12121200022101 - 2³³ = 12112610087509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121200022103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1567045 + ... + 5167013.

It is an arithmetic number, because the mean of its divisors is an integer number (690560645280).

Almost surely, 2^{12121200022101} is an apocalyptic number.

It is an amenable number.

12121200022101 is a deficient number, since it is larger than the sum of its proper divisors (4452255464619).

12121200022101 is an equidigital number, since it uses as much as digits as its factorization.

12121200022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600665 (or 3600622 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12121200022101 its reverse (10122000212121), we get a palindrome (22243200234222).

The spelling of 12121200022101 in words is "twelve trillion, one hundred twenty-one billion, two hundred million, twenty-two thousand, one hundred one".