21241152200120 has 128 divisors (see below), whose sum is σ = 48240440092800. Its totient is φ = 8417181696000.

The previous prime is 21241152200101. The next prime is 21241152200123. The reversal of 21241152200120 is 2100225114212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21241152200123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4740268280 + ... + 4740272760.

It is an arithmetic number, because the mean of its divisors is an integer number (376878438225).

Almost surely, 2^{21241152200120} is an apocalyptic number.

21241152200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21241152200120 is an abundant number, since it is smaller than the sum of its proper divisors (26999287892680).

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

21241152200120 is a wasteful number, since it uses less digits than its factorization.

21241152200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609 (or 6605 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 21241152200120 its reverse (2100225114212), we get a palindrome (23341377314332).

The spelling of 21241152200120 in words is "twenty-one trillion, two hundred forty-one billion, one hundred fifty-two million, two hundred thousand, one hundred twenty".