21111100002202 has 8 divisors (see below), whose sum is σ = 36190457146656. Its totient is φ = 9047614286652.

The previous prime is 21111100002193. The next prime is 21111100002217. The reversal of 21111100002202 is 20220000111112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753967857208 + ... + 753967857235.

It is an arithmetic number, because the mean of its divisors is an integer number (4523807143332).

Almost surely, 2^{21111100002202} is an apocalyptic number.

21111100002202 is a deficient number, since it is larger than the sum of its proper divisors (15079357144454).

21111100002202 is a wasteful number, since it uses less digits than its factorization.

21111100002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507935714452.

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

Adding to 21111100002202 its reverse (20220000111112), we get a palindrome (41331100113314).

The spelling of 21111100002202 in words is "twenty-one trillion, one hundred eleven billion, one hundred million, two thousand, two hundred two".