2121201020024 has 16 divisors (see below), whose sum is σ = 3982547865120. Its totient is φ = 1059188256000.

The previous prime is 2121201020023. The next prime is 2121201020143. The reversal of 2121201020024 is 4200201021212.

It is a junction number, because it is equal to n+sod(n) for n = 2121201019984 and 2121201020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121201020023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176525369 + ... + 176537384.

It is an arithmetic number, because the mean of its divisors is an integer number (248909241570).

Almost surely, 2^{2121201020024} is an apocalyptic number.

It is an amenable number.

2121201020024 is a deficient number, since it is larger than the sum of its proper divisors (1861346845096).

2121201020024 is a wasteful number, since it uses less digits than its factorization.

2121201020024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353063510 (or 353063506 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2121201020024 its reverse (4200201021212), we get a palindrome (6321402041236).

The spelling of 2121201020024 in words is "two trillion, one hundred twenty-one billion, two hundred one million, twenty thousand, twenty-four".