121323241131 has 24 divisors (see below), whose sum is σ = 177389797104. Its totient is φ = 73499381760.

The previous prime is 121323241069. The next prime is 121323241187. The reversal of 121323241131 is 131142323121.

It is not a de Polignac number, because 121323241131 - 2¹³ = 121323232939 is a prime.

It is a super-2 number, since 2×121323241131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121323241031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1371430 + ... + 1457211.

It is an arithmetic number, because the mean of its divisors is an integer number (7391241546).

Almost surely, 2^121323241131 is an apocalyptic number.

121323241131 is a deficient number, since it is larger than the sum of its proper divisors (56066555973).

121323241131 is a wasteful number, since it uses less digits than its factorization.

121323241131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828719 (or 2828690 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 121323241131 its reverse (131142323121), we get a palindrome (252465564252).

The spelling of 121323241131 in words is "one hundred twenty-one billion, three hundred twenty-three million, two hundred forty-one thousand, one hundred thirty-one".