21100002201122 has 32 divisors (see below), whose sum is σ = 37989048988800. Its totient is φ = 8683211190528.

The previous prime is 21100002201059. The next prime is 21100002201133. The reversal of 21100002201122 is 22110220000112.

It is a junction number, because it is equal to n+sod(n) for n = 21100002201097 and 21100002201106.

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 15 ways as a sum of consecutive naturals, for example, 1256243222 + ... + 1256260017.

It is an arithmetic number, because the mean of its divisors is an integer number (1187157780900).

Almost surely, 2^{21100002201122} is an apocalyptic number.

21100002201122 is a deficient number, since it is larger than the sum of its proper divisors (16889046787678).

21100002201122 is a wasteful number, since it uses less digits than its factorization.

21100002201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512503290.

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

Adding to 21100002201122 its reverse (22110220000112), we get a palindrome (43210222201234).

The spelling of 21100002201122 in words is "twenty-one trillion, one hundred billion, two million, two hundred one thousand, one hundred twenty-two".