21110002332200 has 24 divisors (see below), whose sum is σ = 49080755422830. Its totient is φ = 8444000932800.

The previous prime is 21110002332179. The next prime is 21110002332229. The reversal of 21110002332200 is 223320001112.

It can be written as a sum of positive squares in 3 ways, for example, as 20318980644964 + 791021687236 = 4507658^2 + 889394^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52775005631 + ... + 52775006030.

Almost surely, 2^{21110002332200} is an apocalyptic number.

21110002332200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21110002332200 is an abundant number, since it is smaller than the sum of its proper divisors (27970753090630).

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

21110002332200 is a wasteful number, since it uses less digits than its factorization.

21110002332200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105550011677 (or 105550011668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21110002332200 its reverse (223320001112), we get a palindrome (21333322333312).

The spelling of 21110002332200 in words is "twenty-one trillion, one hundred ten billion, two million, three hundred thirty-two thousand, two hundred".