21011102200112 has 10 divisors (see below), whose sum is σ = 40709010512748. Its totient is φ = 10505551100048.

The previous prime is 21011102200111. The next prime is 21011102200117. The reversal of 21011102200112 is 21100220111012.

It is not an unprimeable number, because it can be changed into a prime (21011102200111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656596943738 + ... + 656596943769.

Almost surely, 2^{21011102200112} is an apocalyptic number.

It is an amenable number.

21011102200112 is a deficient number, since it is larger than the sum of its proper divisors (19697908312636).

21011102200112 is a wasteful number, since it uses less digits than its factorization.

21011102200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313193887515 (or 1313193887509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21011102200112 its reverse (21100220111012), we get a palindrome (42111322311124).

The spelling of 21011102200112 in words is "twenty-one trillion, eleven billion, one hundred two million, two hundred thousand, one hundred twelve".