121013144331 has 8 divisors (see below), whose sum is σ = 161993692224. Its totient is φ = 80354013000.

The previous prime is 121013144323. The next prime is 121013144341. The reversal of 121013144331 is 133441310121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121013144331 - 2³ = 121013144323 is a prime.

It is a super-2 number, since 2×121013144331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121013144341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80353261 + ... + 80354766.

It is an arithmetic number, because the mean of its divisors is an integer number (20249211528).

Almost surely, 2^121013144331 is an apocalyptic number.

121013144331 is a deficient number, since it is larger than the sum of its proper divisors (40980547893).

121013144331 is a wasteful number, since it uses less digits than its factorization.

121013144331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160708281.

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

Adding to 121013144331 its reverse (133441310121), we get a palindrome (254454454452).

The spelling of 121013144331 in words is "one hundred twenty-one billion, thirteen million, one hundred forty-four thousand, three hundred thirty-one".