121043133144 has 96 divisors (see below), whose sum is σ = 332211756240. Its totient is φ = 39810355200.

The previous prime is 121043133121. The next prime is 121043133191. The reversal of 121043133144 is 441331340121.

121043133144 is a `hidden beast` number, since 1 + 210 + 431 + 3 + 3 + 14 + 4 = 666.

It is a super-2 number, since 2×121043133144² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2285524 + ... + 2337884.

Almost surely, 2^121043133144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121043133144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166105878120).

121043133144 is an abundant number, since it is smaller than the sum of its proper divisors (211168623096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121043133144 is a wasteful number, since it uses less digits than its factorization.

121043133144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52801 (or 52794 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121043133144 its reverse (441331340121), we get a palindrome (562374473265).

The spelling of 121043133144 in words is "one hundred twenty-one billion, forty-three million, one hundred thirty-three thousand, one hundred forty-four".