10212322221121 has 4 divisors (see below), whose sum is σ = 10238986248192. Its totient is φ = 10185658194052.

The previous prime is 10212322221113. The next prime is 10212322221169. The reversal of 10212322221121 is 12112222321201.

10212322221121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10212322221121 - 2³ = 10212322221113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212322221092 and 10212322221101.

It is not an unprimeable number, because it can be changed into a prime (10212322221181) 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, 13332012961 + ... + 13332013726.

It is an arithmetic number, because the mean of its divisors is an integer number (2559746562048).

Almost surely, 2^{10212322221121} is an apocalyptic number.

It is an amenable number.

10212322221121 is a deficient number, since it is larger than the sum of its proper divisors (26664027071).

10212322221121 is an equidigital number, since it uses as much as digits as its factorization.

10212322221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26664027070.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10212322221121 its reverse (12112222321201), we get a palindrome (22324544542322).

The spelling of 10212322221121 in words is "ten trillion, two hundred twelve billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".