10202210110121 has 4 divisors (see below), whose sum is σ = 10203948437700. Its totient is φ = 10200471782544.

The previous prime is 10202210110111. The next prime is 10202210110151. The reversal of 10202210110121 is 12101101220201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 747593683225 + 9454616426896 = 864635^2 + 3074836^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202210110121 - 2³⁸ = 9927332203177 is a prime.

It is a super-2 number, since 2×10202210110121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202210110096 and 10202210110105.

It is not an unprimeable number, because it can be changed into a prime (10202210110111) 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 3 ways as a sum of consecutive naturals, for example, 869154986 + ... + 869166723.

It is an arithmetic number, because the mean of its divisors is an integer number (2550987109425).

Almost surely, 2^{10202210110121} is an apocalyptic number.

It is an amenable number.

10202210110121 is a deficient number, since it is larger than the sum of its proper divisors (1738327579).

10202210110121 is an equidigital number, since it uses as much as digits as its factorization.

10202210110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738327578.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10202210110121 its reverse (12101101220201), we get a palindrome (22303311330322).

The spelling of 10202210110121 in words is "ten trillion, two hundred two billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".