212100100022 has 8 divisors (see below), whose sum is σ = 318171660672. Its totient is φ = 106042879800.

The previous prime is 212100099977. The next prime is 212100100039. The reversal of 212100100022 is 220001001212.

It is a happy number.

212100100022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 212100099976 and 212100100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548054 + ... + 3607337.

It is an arithmetic number, because the mean of its divisors is an integer number (39771457584).

Almost surely, 2^212100100022 is an apocalyptic number.

212100100022 is a deficient number, since it is larger than the sum of its proper divisors (106071560650).

212100100022 is a wasteful number, since it uses less digits than its factorization.

212100100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170214.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212100100022 its reverse (220001001212), we get a palindrome (432101101234).

The spelling of 212100100022 in words is "two hundred twelve billion, one hundred million, one hundred thousand, twenty-two".