212221200101 has 16 divisors (see below), whose sum is σ = 218950490880. Its totient is φ = 205585444800.

The previous prime is 212221200097. The next prime is 212221200137. The reversal of 212221200101 is 101002122212.

It is not a de Polignac number, because 212221200101 - 2² = 212221200097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221200161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24010655 + ... + 24019491.

It is an arithmetic number, because the mean of its divisors is an integer number (13684405680).

Almost surely, 2^212221200101 is an apocalyptic number.

It is an amenable number.

212221200101 is a deficient number, since it is larger than the sum of its proper divisors (6729290779).

212221200101 is a wasteful number, since it uses less digits than its factorization.

212221200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14044.

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

Adding to 212221200101 its reverse (101002122212), we get a palindrome (313223322313).

The spelling of 212221200101 in words is "two hundred twelve billion, two hundred twenty-one million, two hundred thousand, one hundred one".