212101010122 has 8 divisors (see below), whose sum is σ = 319275726336. Its totient is φ = 105675768012.

The previous prime is 212101010111. The next prime is 212101010123. The reversal of 212101010122 is 221010101212.

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

It is not an unprimeable number, because it can be changed into a prime (212101010123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187367818 + ... + 187368949.

It is an arithmetic number, because the mean of its divisors is an integer number (39909465792).

Almost surely, 2^212101010122 is an apocalyptic number.

212101010122 is a deficient number, since it is larger than the sum of its proper divisors (107174716214).

212101010122 is a wasteful number, since it uses less digits than its factorization.

212101010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374737052.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212101010122 its reverse (221010101212), we get a palindrome (433111111334).

The spelling of 212101010122 in words is "two hundred twelve billion, one hundred one million, ten thousand, one hundred twenty-two".