121012021330311 has 16 divisors (see below), whose sum is σ = 161374047032960. Its totient is φ = 80662338954720.

The previous prime is 121012021330301. The next prime is 121012021330357. The reversal of 121012021330311 is 113033120210121.

It is not a de Polignac number, because 121012021330311 - 2¹⁸ = 121012021068167 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 (121012021330301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938573496 + ... + 938702418.

It is an arithmetic number, because the mean of its divisors is an integer number (10085877939560).

Almost surely, 2^{121012021330311} is an apocalyptic number.

121012021330311 is a deficient number, since it is larger than the sum of its proper divisors (40362025702649).

121012021330311 is a wasteful number, since it uses less digits than its factorization.

121012021330311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174366.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121012021330311 its reverse (113033120210121), we get a palindrome (234045141540432).

The spelling of 121012021330311 in words is "one hundred twenty-one trillion, twelve billion, twenty-one million, three hundred thirty thousand, three hundred eleven".