12200102200121 has 4 divisors (see below), whose sum is σ = 13309202400144. Its totient is φ = 11091002000100.

The previous prime is 12200102200103. The next prime is 12200102200141. The reversal of 12200102200121 is 12100220100221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12200102200121 - 2¹⁰ = 12200102199097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200102200096 and 12200102200105.

It is not an unprimeable number, because it can be changed into a prime (12200102200141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554550099995 + ... + 554550100016.

It is an arithmetic number, because the mean of its divisors is an integer number (3327300600036).

Almost surely, 2^{12200102200121} is an apocalyptic number.

12200102200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12200102200121 is a deficient number, since it is larger than the sum of its proper divisors (1109100200023).

12200102200121 is a wasteful number, since it uses less digits than its factorization.

12200102200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109100200022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12200102200121 its reverse (12100220100221), we get a palindrome (24300322300342).

The spelling of 12200102200121 in words is "twelve trillion, two hundred billion, one hundred two million, two hundred thousand, one hundred twenty-one".