121233133311 has 32 divisors (see below), whose sum is σ = 171749522880. Its totient is φ = 75802957824.

The previous prime is 121233133303. The next prime is 121233133321. The reversal of 121233133311 is 113331332121.

It is not a de Polignac number, because 121233133311 - 2³ = 121233133303 is a prime.

It is a super-2 number, since 2×121233133311² (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 (121233133321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29617581 + ... + 29621673.

It is an arithmetic number, because the mean of its divisors is an integer number (5367172590).

Almost surely, 2^121233133311 is an apocalyptic number.

121233133311 is a deficient number, since it is larger than the sum of its proper divisors (50516389569).

121233133311 is a wasteful number, since it uses less digits than its factorization.

121233133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995.

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

Adding to 121233133311 its reverse (113331332121), we get a palindrome (234564465432).

The spelling of 121233133311 in words is "one hundred twenty-one billion, two hundred thirty-three million, one hundred thirty-three thousand, three hundred eleven".