21110002112002 has 16 divisors (see below), whose sum is σ = 31747017278592. Its totient is φ = 10527693482160.

The previous prime is 21110002111987. The next prime is 21110002112011. The reversal of 21110002112002 is 20021120001112.

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 7 ways as a sum of consecutive naturals, for example, 6228753 + ... + 9000964.

It is an arithmetic number, because the mean of its divisors is an integer number (1984188579912).

Almost surely, 2^{21110002112002} is an apocalyptic number.

21110002112002 is a deficient number, since it is larger than the sum of its proper divisors (10637015166590).

21110002112002 is a wasteful number, since it uses less digits than its factorization.

21110002112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15231513.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21110002112002 its reverse (20021120001112), we get a palindrome (41131122113114).

The spelling of 21110002112002 in words is "twenty-one trillion, one hundred ten billion, two million, one hundred twelve thousand, two".