10222121022121 has 16 divisors (see below), whose sum is σ = 10477464542208. Its totient is φ = 9969945148800.

The previous prime is 10222121022109. The next prime is 10222121022137. The reversal of 10222121022121 is 12122012122201.

It is a cyclic number.

It is not a de Polignac number, because 10222121022121 - 2¹⁷ = 10222120891049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222121022721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245230 + ... + 5048296.

It is an arithmetic number, because the mean of its divisors is an integer number (654841533888).

Almost surely, 2^{10222121022121} is an apocalyptic number.

It is an amenable number.

10222121022121 is a deficient number, since it is larger than the sum of its proper divisors (255343520087).

10222121022121 is a wasteful number, since it uses less digits than its factorization.

10222121022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803632.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10222121022121 its reverse (12122012122201), we get a palindrome (22344133144322).

The spelling of 10222121022121 in words is "ten trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-one".