10222202121121 has 8 divisors (see below), whose sum is σ = 10223786588904. Its totient is φ = 10220617799040.

The previous prime is 10222202121119. The next prime is 10222202121137. The reversal of 10222202121121 is 12112120222201.

It can be written as a sum of positive squares in 4 ways, for example, as 5234193562896 + 4988008558225 = 2287836^2 + 2233385^2 .

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 10222202121121 - 2¹ = 10222202121119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222202121821) 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, 263296891 + ... + 263335711.

It is an arithmetic number, because the mean of its divisors is an integer number (1277973323613).

Almost surely, 2^{10222202121121} is an apocalyptic number.

It is an amenable number.

10222202121121 is a deficient number, since it is larger than the sum of its proper divisors (1584467783).

10222202121121 is a wasteful number, since it uses less digits than its factorization.

10222202121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72851.

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

Adding to 10222202121121 its reverse (12112120222201), we get a palindrome (22334322343322).

The spelling of 10222202121121 in words is "ten trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty-one".