212221022102 has 8 divisors (see below), whose sum is σ = 318337164936. Its totient is φ = 106108633792.

The previous prime is 212221022099. The next prime is 212221022161. The reversal of 212221022102 is 201220122212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792788 + ... + 1026135.

It is an arithmetic number, because the mean of its divisors is an integer number (39792145617).

Almost surely, 2^212221022102 is an apocalyptic number.

212221022102 is a deficient number, since it is larger than the sum of its proper divisors (106116142834).

212221022102 is a wasteful number, since it uses less digits than its factorization.

212221022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877262.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212221022102 its reverse (201220122212), we get a palindrome (413441144314).

The spelling of 212221022102 in words is "two hundred twelve billion, two hundred twenty-one million, twenty-two thousand, one hundred two".