12100202001121 has 24 divisors (see below), whose sum is σ = 13114856244960. Its totient is φ = 11158962587136.

The previous prime is 12100202001113. The next prime is 12100202001127. The reversal of 12100202001121 is 12110020200121.

It is not a de Polignac number, because 12100202001121 - 2³ = 12100202001113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12100202001127) 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, 915496305 + ... + 915509521.

It is an arithmetic number, because the mean of its divisors is an integer number (546452343540).

Almost surely, 2^{12100202001121} is an apocalyptic number.

It is an amenable number.

12100202001121 is a deficient number, since it is larger than the sum of its proper divisors (1014654243839).

12100202001121 is a wasteful number, since it uses less digits than its factorization.

12100202001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17905 (or 17892 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12100202001121 its reverse (12110020200121), we get a palindrome (24210222201242).

The spelling of 12100202001121 in words is "twelve trillion, one hundred billion, two hundred two million, one thousand, one hundred twenty-one".