2002121020024 has 8 divisors (see below), whose sum is σ = 3753976912560. Its totient is φ = 1001060510008.

The previous prime is 2002121020021. The next prime is 2002121020033. The reversal of 2002121020024 is 4200201212002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002121020021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125132563744 + ... + 125132563759.

It is an arithmetic number, because the mean of its divisors is an integer number (469247114070).

Almost surely, 2^{2002121020024} is an apocalyptic number.

It is an amenable number.

2002121020024 is a deficient number, since it is larger than the sum of its proper divisors (1751855892536).

2002121020024 is a wasteful number, since it uses less digits than its factorization.

2002121020024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250265127509 (or 250265127505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2002121020024 its reverse (4200201212002), we get a palindrome (6202322232026).

The spelling of 2002121020024 in words is "two trillion, two billion, one hundred twenty-one million, twenty thousand, twenty-four".