2002112010021 has 16 divisors (see below), whose sum is σ = 2729890404800. Its totient is φ = 1304805957120.

The previous prime is 2002112010013. The next prime is 2002112010047. The reversal of 2002112010021 is 1200102112002.

It is not a de Polignac number, because 2002112010021 - 2³ = 2002112010013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002112009979 and 2002112010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002112010011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33529996 + ... + 33589653.

It is an arithmetic number, because the mean of its divisors is an integer number (170618150300).

Almost surely, 2^{2002112010021} is an apocalyptic number.

It is an amenable number.

2002112010021 is a deficient number, since it is larger than the sum of its proper divisors (727778394779).

2002112010021 is a wasteful number, since it uses less digits than its factorization.

2002112010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67119876.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2002112010021 its reverse (1200102112002), we get a palindrome (3202214122023).

The spelling of 2002112010021 in words is "two trillion, two billion, one hundred twelve million, ten thousand, twenty-one".