10220221102121 has 8 divisors (see below), whose sum is σ = 10221739051200. Its totient is φ = 10218703294800.

The previous prime is 10220221102099. The next prime is 10220221102199. The reversal of 10220221102121 is 12120112202201.

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 10220221102121 - 2⁶ = 10220221102057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220221102121.

It is not an unprimeable number, because it can be changed into a prime (10220221102321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268658420 + ... + 268696458.

It is an arithmetic number, because the mean of its divisors is an integer number (1277717381400).

Almost surely, 2^{10220221102121} is an apocalyptic number.

It is an amenable number.

10220221102121 is a deficient number, since it is larger than the sum of its proper divisors (1517949079).

10220221102121 is a wasteful number, since it uses less digits than its factorization.

10220221102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70879.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10220221102121 its reverse (12120112202201), we get a palindrome (22340333304322).

The spelling of 10220221102121 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, one hundred two thousand, one hundred twenty-one".