234121021140 has 48 divisors (see below), whose sum is σ = 678143652480. Its totient is φ = 60279434880.

The previous prime is 234121021109. The next prime is 234121021151. The reversal of 234121021140 is 41120121432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67274416 + ... + 67277895.

It is an arithmetic number, because the mean of its divisors is an integer number (14127992760).

Almost surely, 2^234121021140 is an apocalyptic number.

234121021140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234121021140 is an abundant number, since it is smaller than the sum of its proper divisors (444022631340).

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

234121021140 is a wasteful number, since it uses less digits than its factorization.

234121021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134552352 (or 134552350 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 234121021140 its reverse (41120121432), we get a palindrome (275241142572).

The spelling of 234121021140 in words is "two hundred thirty-four billion, one hundred twenty-one million, twenty-one thousand, one hundred forty".