210121113324 has 48 divisors (see below), whose sum is σ = 504116252640. Its totient is φ = 68088384000.

The previous prime is 210121113311. The next prime is 210121113337. The reversal of 210121113324 is 423311121012.

210121113324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210121113311) and next prime (210121113337).

It is a self number, because there is not a number n which added to its sum of digits gives 210121113324.

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, 1446177 + ... + 1584824.

It is an arithmetic number, because the mean of its divisors is an integer number (10502421930).

Almost surely, 2^210121113324 is an apocalyptic number.

It is an amenable number.

210121113324 is an abundant number, since it is smaller than the sum of its proper divisors (293995139316).

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

210121113324 is a wasteful number, since it uses less digits than its factorization.

210121113324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031170 (or 3031168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 210121113324 its reverse (423311121012), we get a palindrome (633432234336).

The spelling of 210121113324 in words is "two hundred ten billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred twenty-four".