221022101100212 has 24 divisors (see below), whose sum is σ = 389755433878272. Its totient is φ = 109663467056000.

The previous prime is 221022101100191. The next prime is 221022101100221. The reversal of 221022101100212 is 212001101220122.

221022101100212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6781868 + ... + 22091580.

It is an arithmetic number, because the mean of its divisors is an integer number (16239809744928).

Almost surely, 2^{221022101100212} is an apocalyptic number.

It is an amenable number.

221022101100212 is a deficient number, since it is larger than the sum of its proper divisors (168733332778060).

221022101100212 is a wasteful number, since it uses less digits than its factorization.

221022101100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15337399 (or 15337397 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221022101100212 its reverse (212001101220122), we get a palindrome (433023202320334).

The spelling of 221022101100212 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred one million, one hundred thousand, two hundred twelve".