10122112001121 has 4 divisors (see below), whose sum is σ = 13496149334832. Its totient is φ = 6748074667412.

The previous prime is 10122112001117. The next prime is 10122112001123. The reversal of 10122112001121 is 12110021122101.

It is a happy number.

10122112001121 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 10122112001121 - 2² = 10122112001117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10122112001121.

It is not an unprimeable number, because it can be changed into a prime (10122112001123) 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, 1687018666851 + ... + 1687018666856.

It is an arithmetic number, because the mean of its divisors is an integer number (3374037333708).

Almost surely, 2^{10122112001121} is an apocalyptic number.

It is an amenable number.

10122112001121 is a deficient number, since it is larger than the sum of its proper divisors (3374037333711).

10122112001121 is an equidigital number, since it uses as much as digits as its factorization.

10122112001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374037333710.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10122112001121 its reverse (12110021122101), we get a palindrome (22232133123222).

The spelling of 10122112001121 in words is "ten trillion, one hundred twenty-two billion, one hundred twelve million, one thousand, one hundred twenty-one".