121151135000 has 160 divisors (see below), whose sum is σ = 333179473440. Its totient is φ = 40414464000.

The previous prime is 121151134991. The next prime is 121151135003. The reversal of 121151135000 is 531151121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121151135003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1248224 + ... + 1341776.

It is an arithmetic number, because the mean of its divisors is an integer number (2082371709).

Almost surely, 2^121151135000 is an apocalyptic number.

121151135000 is a gapful number since it is divisible by the number (10) 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 121151135000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166589736720).

121151135000 is an abundant number, since it is smaller than the sum of its proper divisors (212028338440).

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

121151135000 is an equidigital number, since it uses as much as digits as its factorization.

121151135000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93623 (or 93604 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 121151135000 its reverse (531151121), we get a palindrome (121682286121).

The spelling of 121151135000 in words is "one hundred twenty-one billion, one hundred fifty-one million, one hundred thirty-five thousand".