10121000120113 has 4 divisors (see below), whose sum is σ = 10121264228160. Its totient is φ = 10120736012068.

The previous prime is 10121000120111. The next prime is 10121000120171. The reversal of 10121000120113 is 31102100012101.

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.

It is a cyclic number.

It is not a de Polignac number, because 10121000120113 - 2¹ = 10121000120111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121000120093 and 10121000120102.

It is not an unprimeable number, because it can be changed into a prime (10121000120111) 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, 131996533 + ... + 132073186.

It is an arithmetic number, because the mean of its divisors is an integer number (2530316057040).

Almost surely, 2^{10121000120113} is an apocalyptic number.

It is an amenable number.

10121000120113 is a deficient number, since it is larger than the sum of its proper divisors (264108047).

10121000120113 is an equidigital number, since it uses as much as digits as its factorization.

10121000120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264108046.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10121000120113 its reverse (31102100012101), we get a palindrome (41223100132214).

The spelling of 10121000120113 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty thousand, one hundred thirteen".