21112012200202 has 64 divisors (see below), whose sum is σ = 40300701825024. Its totient is φ = 8055506571840.

The previous prime is 21112012200151. The next prime is 21112012200233. The reversal of 21112012200202 is 20200221021112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2100243 + ... + 6828985.

It is an arithmetic number, because the mean of its divisors is an integer number (629698466016).

Almost surely, 2^{21112012200202} is an apocalyptic number.

21112012200202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21112012200202 is a deficient number, since it is larger than the sum of its proper divisors (19188689624822).

21112012200202 is a wasteful number, since it uses less digits than its factorization.

21112012200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729363.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21112012200202 its reverse (20200221021112), we get a palindrome (41312233221314).

The spelling of 21112012200202 in words is "twenty-one trillion, one hundred twelve billion, twelve million, two hundred thousand, two hundred two".