21112211202002 has 8 divisors (see below), whose sum is σ = 33045200142336. Its totient is φ = 10097144487892.

The previous prime is 21112211201993. The next prime is 21112211202007. The reversal of 21112211202002 is 20020211221112.

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

It is not an unprimeable number, because it can be changed into a prime (21112211202007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229480556498 + ... + 229480556589.

It is an arithmetic number, because the mean of its divisors is an integer number (4130650017792).

Almost surely, 2^{21112211202002} is an apocalyptic number.

21112211202002 is a deficient number, since it is larger than the sum of its proper divisors (11932988940334).

21112211202002 is a wasteful number, since it uses less digits than its factorization.

21112211202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458961113112.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21112211202002 its reverse (20020211221112), we get a palindrome (41132422423114).

The spelling of 21112211202002 in words is "twenty-one trillion, one hundred twelve billion, two hundred eleven million, two hundred two thousand, two".