121241334143311 has 16 divisors (see below), whose sum is σ = 129219418441728. Its totient is φ = 113489381491200.

The previous prime is 121241334143309. The next prime is 121241334143381. The reversal of 121241334143311 is 113341433142121.

It is not a de Polignac number, because 121241334143311 - 2¹ = 121241334143309 is a prime.

It is a super-2 number, since 2×121241334143311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121241334143381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851126 + ... + 15830716.

It is an arithmetic number, because the mean of its divisors is an integer number (8076213652608).

Almost surely, 2^{121241334143311} is an apocalyptic number.

121241334143311 is a deficient number, since it is larger than the sum of its proper divisors (7978084298417).

121241334143311 is a wasteful number, since it uses less digits than its factorization.

121241334143311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12988302.

The product of its digits is 20736, while the sum is 34.

Adding to 121241334143311 its reverse (113341433142121), we get a palindrome (234582767285432).

The spelling of 121241334143311 in words is "one hundred twenty-one trillion, two hundred forty-one billion, three hundred thirty-four million, one hundred forty-three thousand, three hundred eleven".