121231233332331 has 8 divisors (see below), whose sum is σ = 161658000006720. Its totient is φ = 80812644439752.

The previous prime is 121231233332227. The next prime is 121231233332413. The reversal of 121231233332331 is 133233332132121.

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

It is not a de Polignac number, because 121231233332331 - 2¹⁴ = 121231233315947 is a prime.

It is a super-2 number, since 2×121231233332331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121231233332292 and 121231233332301.

It is not an unprimeable number, because it can be changed into a prime (121231233312331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044410861 + ... + 2044470158.

It is an arithmetic number, because the mean of its divisors is an integer number (20207250000840).

Almost surely, 2^{121231233332331} is an apocalyptic number.

121231233332331 is a deficient number, since it is larger than the sum of its proper divisors (40426766674389).

121231233332331 is an equidigital number, since it uses as much as digits as its factorization.

121231233332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088890905.

The product of its digits is 34992, while the sum is 33.

Adding to 121231233332331 its reverse (133233332132121), we get a palindrome (254464565464452).

The spelling of 121231233332331 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, two hundred thirty-three million, three hundred thirty-two thousand, three hundred thirty-one".