10221310121 has 16 divisors (see below), whose sum is σ = 11367802176. Its totient is φ = 9111960000.

The previous prime is 10221310117. The next prime is 10221310123. The reversal of 10221310121 is 12101312201.

It is not a de Polignac number, because 10221310121 - 2² = 10221310117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10221310096 and 10221310105.

It is not an unprimeable number, because it can be changed into a prime (10221310123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199091 + ... + 245111.

It is an arithmetic number, because the mean of its divisors is an integer number (710487636).

Almost surely, 2^10221310121 is an apocalyptic number.

10221310121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221310121 is a deficient number, since it is larger than the sum of its proper divisors (1146492055).

10221310121 is a wasteful number, since it uses less digits than its factorization.

10221310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46424.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10221310121 its reverse (12101312201), we get a palindrome (22322622322).

The spelling of 10221310121 in words is "ten billion, two hundred twenty-one million, three hundred ten thousand, one hundred twenty-one".