10112121120001 has 4 divisors (see below), whose sum is σ = 10112130461872. Its totient is φ = 10112111778132.

The previous prime is 10112121119999. The next prime is 10112121120019. The reversal of 10112121120001 is 10002112121101.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10112121120001 - 2¹ = 10112121119999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112121120041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2796531 + ... + 5295736.

It is an arithmetic number, because the mean of its divisors is an integer number (2528032615468).

Almost surely, 2^{10112121120001} is an apocalyptic number.

It is an amenable number.

10112121120001 is a deficient number, since it is larger than the sum of its proper divisors (9341871).

10112121120001 is an equidigital number, since it uses as much as digits as its factorization.

10112121120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341870.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10112121120001 its reverse (10002112121101), we get a palindrome (20114233241102).

The spelling of 10112121120001 in words is "ten trillion, one hundred twelve billion, one hundred twenty-one million, one hundred twenty thousand, one".