21021200112002 has 8 divisors (see below), whose sum is σ = 31532391930000. Its totient is φ = 10510402802004.

The previous prime is 21021200111981. The next prime is 21021200112041. The reversal of 21021200112002 is 20021100212012.

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

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 3 ways as a sum of consecutive naturals, for example, 98493752 + ... + 98706947.

It is an arithmetic number, because the mean of its divisors is an integer number (3941548991250).

Almost surely, 2^{21021200112002} is an apocalyptic number.

21021200112002 is a deficient number, since it is larger than the sum of its proper divisors (10511191817998).

21021200112002 is a wasteful number, since it uses less digits than its factorization.

21021200112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197254000.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21021200112002 its reverse (20021100212012), we get a palindrome (41042300324014).

The spelling of 21021200112002 in words is "twenty-one trillion, twenty-one billion, two hundred million, one hundred twelve thousand, two".