21112010002 has 24 divisors (see below), whose sum is σ = 32528631600. Its totient is φ = 10273760400.

The previous prime is 21112009991. The next prime is 21112010039. The reversal of 21112010002 is 20001021112.

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 11 ways as a sum of consecutive naturals, for example, 1194949 + ... + 1212487.

It is an arithmetic number, because the mean of its divisors is an integer number (1355359650).

Almost surely, 2^21112010002 is an apocalyptic number.

21112010002 is a deficient number, since it is larger than the sum of its proper divisors (11416621598).

21112010002 is a wasteful number, since it uses less digits than its factorization.

21112010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17802 (or 17701 counting only the distinct ones).

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

Adding to 21112010002 its reverse (20001021112), we get a palindrome (41113031114).

It can be divided in two parts, 211120 and 10002, that added together give a palindrome (221122).

The spelling of 21112010002 in words is "twenty-one billion, one hundred twelve million, ten thousand, two".