212222022102 has 12 divisors (see below), whose sum is σ = 459814381260. Its totient is φ = 70740674028.

The previous prime is 212222022101. The next prime is 212222022107. The reversal of 212222022102 is 201220222212.

212222022102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11790112339 = 212222022102 / (2 + 1 + 2 + 2 + 2 + 2 + 0 + 2 + 2 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222022101) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5895056152 + ... + 5895056187.

It is an arithmetic number, because the mean of its divisors is an integer number (38317865105).

Almost surely, 2^212222022102 is an apocalyptic number.

212222022102 is an abundant number, since it is smaller than the sum of its proper divisors (247592359158).

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

212222022102 is a wasteful number, since it uses less digits than its factorization.

212222022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790112347 (or 11790112344 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212222022102 its reverse (201220222212), we get a palindrome (413442244314).

The spelling of 212222022102 in words is "two hundred twelve billion, two hundred twenty-two million, twenty-two thousand, one hundred two".