212100120022222 has 16 divisors (see below), whose sum is σ = 336914721585792. Its totient is φ = 99797058200320.

The previous prime is 212100120022211. The next prime is 212100120022223. The reversal of 212100120022222 is 222220021001212.

212100120022222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212100120022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100120022223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461110078 + ... + 461569825.

It is an arithmetic number, because the mean of its divisors is an integer number (21057170099112).

Almost surely, 2^{212100120022222} is an apocalyptic number.

212100120022222 is a deficient number, since it is larger than the sum of its proper divisors (124814601563570).

212100120022222 is a wasteful number, since it uses less digits than its factorization.

212100120022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922686683.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212100120022222 its reverse (222220021001212), we get a palindrome (434320141023434).

The spelling of 212100120022222 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty million, twenty-two thousand, two hundred twenty-two".