2121110002 has 32 divisors (see below), whose sum is σ = 3628437120. Its totient is φ = 920536320.

The previous prime is 2121109999. The next prime is 2121110027. The reversal of 2121110002 is 2000111212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296524 + ... + 303592.

It is an arithmetic number, because the mean of its divisors is an integer number (113388660).

Almost surely, 2^2121110002 is an apocalyptic number.

2121110002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121110002 is a deficient number, since it is larger than the sum of its proper divisors (1507327118).

2121110002 is a wasteful number, since it uses less digits than its factorization.

2121110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7698.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2121110002 is about 46055.5100069471. The cubic root of 2121110002 is about 1284.8558235794.

Adding to 2121110002 its reverse (2000111212), we get a palindrome (4121221214).

It can be divided in two parts, 21211 and 10002, that added together give a palindrome (31213).

The spelling of 2121110002 in words is "two billion, one hundred twenty-one million, one hundred ten thousand, two".