212022212102 has 4 divisors (see below), whose sum is σ = 318033318156. Its totient is φ = 106011106050.

The previous prime is 212022212057. The next prime is 212022212113. The reversal of 212022212102 is 201212220212.

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, 53005553024 + ... + 53005553027.

It is an arithmetic number, because the mean of its divisors is an integer number (79508329539).

Almost surely, 2^212022212102 is an apocalyptic number.

212022212102 is a deficient number, since it is larger than the sum of its proper divisors (106011106054).

212022212102 is a wasteful number, since it uses less digits than its factorization.

212022212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106011106053.

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

Adding to 212022212102 its reverse (201212220212), we get a palindrome (413234432314).

The spelling of 212022212102 in words is "two hundred twelve billion, twenty-two million, two hundred twelve thousand, one hundred two".