21101202200112 has 40 divisors (see below), whose sum is σ = 54513351956400. Its totient is φ = 7033487235840.

The previous prime is 21101202200107. The next prime is 21101202200119. The reversal of 21101202200112 is 21100220210112.

It is a junction number, because it is equal to n+sod(n) for n = 21101202200091 and 21101202200100.

It is not an unprimeable number, because it can be changed into a prime (21101202200119) 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 in 7 ways as a sum of consecutive naturals, for example, 6328839 + ... + 9069542.

It is an arithmetic number, because the mean of its divisors is an integer number (1362833798910).

Almost surely, 2^{21101202200112} is an apocalyptic number.

It is an amenable number.

21101202200112 is an abundant number, since it is smaller than the sum of its proper divisors (33412149756288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21101202200112 is a wasteful number, since it uses less digits than its factorization.

21101202200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15426941 (or 15426935 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21101202200112 its reverse (21100220210112), we get a palindrome (42201422410224).

The spelling of 21101202200112 in words is "twenty-one trillion, one hundred one billion, two hundred two million, two hundred thousand, one hundred twelve".