10220121022121 has 8 divisors (see below), whose sum is σ = 10326185853984. Its totient is φ = 10114070532480.

The previous prime is 10220121022093. The next prime is 10220121022127. The reversal of 10220121022121 is 12122012102201.

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 10220121022121 - 2⁶ = 10220121022057 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 10220121022121.

It is not an unprimeable number, because it can be changed into a prime (10220121022127) 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, 2150015 + ... + 5006276.

It is an arithmetic number, because the mean of its divisors is an integer number (1290773231748).

Almost surely, 2^{10220121022121} is an apocalyptic number.

It is an amenable number.

10220121022121 is a deficient number, since it is larger than the sum of its proper divisors (106064831863).

10220121022121 is an equidigital number, since it uses as much as digits as its factorization.

10220121022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171111.

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

Adding to 10220121022121 its reverse (12122012102201), we get a palindrome (22342133124322).

The spelling of 10220121022121 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-one".