212212022102 has 4 divisors (see below), whose sum is σ = 318318033156. Its totient is φ = 106106011050.

The previous prime is 212212022093. The next prime is 212212022119. The reversal of 212212022102 is 201220212212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53053005524 + ... + 53053005527.

It is an arithmetic number, because the mean of its divisors is an integer number (79579508289).

Almost surely, 2^212212022102 is an apocalyptic number.

212212022102 is a deficient number, since it is larger than the sum of its proper divisors (106106011054).

212212022102 is a wasteful number, since it uses less digits than its factorization.

212212022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106106011053.

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

Adding to 212212022102 its reverse (201220212212), we get a palindrome (413432234314).

The spelling of 212212022102 in words is "two hundred twelve billion, two hundred twelve million, twenty-two thousand, one hundred two".