10002201222121 has 16 divisors (see below), whose sum is σ = 10401675343488. Its totient is φ = 9610914096000.

The previous prime is 10002201222077. The next prime is 10002201222163. The reversal of 10002201222121 is 12122210220001.

It is a happy number.

10002201222121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10002201222121 - 2⁷ = 10002201221993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002201222095 and 10002201222104.

It is not an unprimeable number, because it can be changed into a prime (10002201222421) 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, 2189230 + ... + 4979671.

It is an arithmetic number, because the mean of its divisors is an integer number (650104708968).

Almost surely, 2^{10002201222121} is an apocalyptic number.

It is an amenable number.

10002201222121 is a deficient number, since it is larger than the sum of its proper divisors (399474121367).

10002201222121 is an equidigital number, since it uses as much as digits as its factorization.

10002201222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169472.

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

Adding to 10002201222121 its reverse (12122210220001), we get a palindrome (22124411442122).

The spelling of 10002201222121 in words is "ten trillion, two billion, two hundred one million, two hundred twenty-two thousand, one hundred twenty-one".