10002222211021 has 16 divisors (see below), whose sum is σ = 10668972162240. Its totient is φ = 9344429994240.

The previous prime is 10002222211001. The next prime is 10002222211057. The reversal of 10002222211021 is 12011222220001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10002222211021 - 2⁹ = 10002222210509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002222210986 and 10002222211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002222211001) 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, 2592511 + ... + 5169676.

It is an arithmetic number, because the mean of its divisors is an integer number (666810760140).

Almost surely, 2^{10002222211021} is an apocalyptic number.

It is an amenable number.

10002222211021 is a deficient number, since it is larger than the sum of its proper divisors (666749951219).

10002222211021 is a wasteful number, since it uses less digits than its factorization.

10002222211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762764.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10002222211021 its reverse (12011222220001), we get a palindrome (22013444431022).

The spelling of 10002222211021 in words is "ten trillion, two billion, two hundred twenty-two million, two hundred eleven thousand, twenty-one".