10111012200121 has 8 divisors (see below), whose sum is σ = 11559403951040. Its totient is φ = 8663610808368.

The previous prime is 10111012200089. The next prime is 10111012200203. The reversal of 10111012200121 is 12100221011101.

It is a happy number.

10111012200121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10111012200121 - 2⁵ = 10111012200089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111012200521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247567911 + ... + 247608748.

It is an arithmetic number, because the mean of its divisors is an integer number (1444925493880).

Almost surely, 2^{10111012200121} is an apocalyptic number.

It is an amenable number.

10111012200121 is a deficient number, since it is larger than the sum of its proper divisors (1448391750919).

10111012200121 is an equidigital number, since it uses as much as digits as its factorization.

10111012200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495179583.

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

Adding to 10111012200121 its reverse (12100221011101), we get a palindrome (22211233211222).

The spelling of 10111012200121 in words is "ten trillion, one hundred eleven billion, twelve million, two hundred thousand, one hundred twenty-one".