212122110102 has 32 divisors (see below), whose sum is σ = 484891321344. Its totient is φ = 60601219200.

The previous prime is 212122110073. The next prime is 212122110113. The reversal of 212122110102 is 201011221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307827 + ... + 720417.

It is an arithmetic number, because the mean of its divisors is an integer number (15152853792).

Almost surely, 2^212122110102 is an apocalyptic number.

212122110102 is an abundant number, since it is smaller than the sum of its proper divisors (272769211242).

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

212122110102 is a wasteful number, since it uses less digits than its factorization.

212122110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424844.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212122110102 its reverse (201011221212), we get a palindrome (413133331314).

The spelling of 212122110102 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred ten thousand, one hundred two".