212100112201022 has 16 divisors (see below), whose sum is σ = 321954670292112. Its totient is φ = 104788837632960.

The previous prime is 212100112200971. The next prime is 212100112201027. The reversal of 212100112201022 is 220102211001212.

It is a super-2 number, since 2×212100112201022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100112201027) 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, 1737154433 + ... + 1737276524.

It is an arithmetic number, because the mean of its divisors is an integer number (20122166893257).

Almost surely, 2^{212100112201022} is an apocalyptic number.

212100112201022 is a deficient number, since it is larger than the sum of its proper divisors (109854558091090).

212100112201022 is a wasteful number, since it uses less digits than its factorization.

212100112201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474431323.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212100112201022 its reverse (220102211001212), we get a palindrome (432202323202234).

The spelling of 212100112201022 in words is "two hundred twelve trillion, one hundred billion, one hundred twelve million, two hundred one thousand, twenty-two".