222102100212 has 48 divisors (see below), whose sum is σ = 521030573952. Its totient is φ = 73635287040.

The previous prime is 222102100183. The next prime is 222102100273. The reversal of 222102100212 is 212001201222.

222102100212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222102100191 and 222102100200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20099673 + ... + 20110719.

It is an arithmetic number, because the mean of its divisors is an integer number (10854803624).

Almost surely, 2^222102100212 is an apocalyptic number.

It is an amenable number.

222102100212 is an abundant number, since it is smaller than the sum of its proper divisors (298928473740).

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

222102100212 is a wasteful number, since it uses less digits than its factorization.

222102100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19928 (or 19926 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222102100212 its reverse (212001201222), we get a palindrome (434103301434).

The spelling of 222102100212 in words is "two hundred twenty-two billion, one hundred two million, one hundred thousand, two hundred twelve".