121300212113 has 4 divisors (see below), whose sum is σ = 122103524928. Its totient is φ = 120496899300.

The previous prime is 121300212101. The next prime is 121300212161. The reversal of 121300212113 is 311212003121.

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 121300212113 - 2¹⁶ = 121300146577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121300212091 and 121300212100.

It is not an unprimeable number, because it can be changed into a prime (121300212413) 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, 401656181 + ... + 401656482.

It is an arithmetic number, because the mean of its divisors is an integer number (30525881232).

Almost surely, 2^121300212113 is an apocalyptic number.

It is an amenable number.

121300212113 is a deficient number, since it is larger than the sum of its proper divisors (803312815).

121300212113 is an equidigital number, since it uses as much as digits as its factorization.

121300212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803312814.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121300212113 its reverse (311212003121), we get a palindrome (432512215234).

The spelling of 121300212113 in words is "one hundred twenty-one billion, three hundred million, two hundred twelve thousand, one hundred thirteen".