2102221110121 has 8 divisors (see below), whose sum is σ = 2322361641600. Its totient is φ = 1886918832240.

The previous prime is 2102221110071. The next prime is 2102221110191. The reversal of 2102221110121 is 1210111222012.

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 2102221110121 - 2²³ = 2102212721513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102221110095 and 2102221110104.

It is not an unprimeable number, because it can be changed into a prime (2102221110191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209562486 + ... + 1209564223.

It is an arithmetic number, because the mean of its divisors is an integer number (290295205200).

Almost surely, 2^{2102221110121} is an apocalyptic number.

It is an amenable number.

2102221110121 is a deficient number, since it is larger than the sum of its proper divisors (220140531479).

2102221110121 is a wasteful number, since it uses less digits than its factorization.

2102221110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419126799.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2102221110121 its reverse (1210111222012), we get a palindrome (3312332332133).

The spelling of 2102221110121 in words is "two trillion, one hundred two billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-one".