121300011020311 has 4 divisors (see below), whose sum is σ = 123008461879824. Its totient is φ = 119591560160800.

The previous prime is 121300011020299. The next prime is 121300011020417. The reversal of 121300011020311 is 113020110003121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121300011020311 - 2¹⁹ = 121300010496023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300011020911) 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, 854225429650 + ... + 854225429791.

It is an arithmetic number, because the mean of its divisors is an integer number (30752115469956).

Almost surely, 2^{121300011020311} is an apocalyptic number.

121300011020311 is a deficient number, since it is larger than the sum of its proper divisors (1708450859513).

121300011020311 is an equidigital number, since it uses as much as digits as its factorization.

121300011020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708450859512.

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

Adding to 121300011020311 its reverse (113020110003121), we get a palindrome (234320121023432).

The spelling of 121300011020311 in words is "one hundred twenty-one trillion, three hundred billion, eleven million, twenty thousand, three hundred eleven".