10222112121121 has 4 divisors (see below), whose sum is σ = 10222181939200. Its totient is φ = 10222042303044.

The previous prime is 10222112121101. The next prime is 10222112121227. The reversal of 10222112121121 is 12112121122201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10222112121121 - 2⁷ = 10222112120993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222112121101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34688961 + ... + 34982398.

It is an arithmetic number, because the mean of its divisors is an integer number (2555545484800).

Almost surely, 2^{10222112121121} is an apocalyptic number.

It is an amenable number.

10222112121121 is a deficient number, since it is larger than the sum of its proper divisors (69818079).

10222112121121 is an equidigital number, since it uses as much as digits as its factorization.

10222112121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69818078.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10222112121121 its reverse (12112121122201), we get a palindrome (22334233243322).

The spelling of 10222112121121 in words is "ten trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-one".