10300011123121 has 4 divisors (see below), whose sum is σ = 10655183920500. Its totient is φ = 9944838325744.

The previous prime is 10300011123113. The next prime is 10300011123163. The reversal of 10300011123121 is 12132111000301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2347526522896 + 7952484600225 = 1532164^2 + 2820015^2 .

It is a cyclic number.

It is not a de Polignac number, because 10300011123121 - 2³ = 10300011123113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10300011123095 and 10300011123104.

It is not an unprimeable number, because it can be changed into a prime (10300011120121) 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, 177586398646 + ... + 177586398703.

It is an arithmetic number, because the mean of its divisors is an integer number (2663795980125).

Almost surely, 2^{10300011123121} is an apocalyptic number.

It is an amenable number.

10300011123121 is a deficient number, since it is larger than the sum of its proper divisors (355172797379).

10300011123121 is an equidigital number, since it uses as much as digits as its factorization.

10300011123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355172797378.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10300011123121 its reverse (12132111000301), we get a palindrome (22432122123422).

The spelling of 10300011123121 in words is "ten trillion, three hundred billion, eleven million, one hundred twenty-three thousand, one hundred twenty-one".