212221200110000 has 50 divisors (see below), whose sum is σ = 513808747610532. Its totient is φ = 84888480040000.

The previous prime is 212221200109981. The next prime is 212221200110011. The reversal of 212221200110000 is 11002122212.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×212221200110000² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10611050006 + ... + 10611070005.

Almost surely, 2^{212221200110000} is an apocalyptic number.

212221200110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212221200110000 is an abundant number, since it is smaller than the sum of its proper divisors (301587547500532).

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

212221200110000 is an equidigital number, since it uses as much as digits as its factorization.

212221200110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222120039 (or 21222120018 counting only the distinct ones).

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

Adding to 212221200110000 its reverse (11002122212), we get a palindrome (212232202232212).

The spelling of 212221200110000 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred million, one hundred ten thousand".