121123131333 has 8 divisors (see below), whose sum is σ = 161500338048. Its totient is φ = 80747339424.

The previous prime is 121123131319. The next prime is 121123131383. The reversal of 121123131333 is 333131321121.

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

It is not a de Polignac number, because 121123131333 - 2¹³ = 121123123141 is a prime.

It is a super-2 number, since 2×121123131333² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123131313) 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, 134541 + ... + 510242.

It is an arithmetic number, because the mean of its divisors is an integer number (20187542256).

Almost surely, 2^121123131333 is an apocalyptic number.

It is an amenable number.

121123131333 is a deficient number, since it is larger than the sum of its proper divisors (40377206715).

121123131333 is an equidigital number, since it uses as much as digits as its factorization.

121123131333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707403.

The product of its digits is 972, while the sum is 24.

Adding to 121123131333 its reverse (333131321121), we get a palindrome (454254452454).

The spelling of 121123131333 in words is "one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred thirty-three".