232121001120 has 192 divisors, whose sum is σ = 763756003584. Its totient is φ = 59146813440.

The previous prime is 232121001113. The next prime is 232121001173. The reversal of 232121001120 is 21100121232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 232121001120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11261544 + ... + 11282136.

It is an arithmetic number, because the mean of its divisors is an integer number (3977895852).

Almost surely, 2^232121001120 is an apocalyptic number.

232121001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232121001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381878001792).

232121001120 is an abundant number, since it is smaller than the sum of its proper divisors (531635002464).

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

232121001120 is a wasteful number, since it uses less digits than its factorization.

232121001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21655 (or 21647 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 232121001120 its reverse (21100121232), we get a palindrome (253221122352).

The spelling of 232121001120 in words is "two hundred thirty-two billion, one hundred twenty-one million, one thousand, one hundred twenty".