2201100002121 has 8 divisors (see below), whose sum is σ = 3107435297184. Its totient is φ = 1381082354240.

The previous prime is 2201100002113. The next prime is 2201100002137. The reversal of 2201100002121 is 1212000011022.

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 2201100002121 - 2³ = 2201100002113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2201100002097 and 2201100002106.

It is not an unprimeable number, because it can be changed into a prime (2201100002161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21579411735 + ... + 21579411836.

It is an arithmetic number, because the mean of its divisors is an integer number (388429412148).

Almost surely, 2^{2201100002121} is an apocalyptic number.

It is an amenable number.

2201100002121 is a deficient number, since it is larger than the sum of its proper divisors (906335295063).

2201100002121 is a wasteful number, since it uses less digits than its factorization.

2201100002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43158823591.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2201100002121 its reverse (1212000011022), we get a palindrome (3413100013143).

The spelling of 2201100002121 in words is "two trillion, two hundred one billion, one hundred million, two thousand, one hundred twenty-one".