22202100100212 has 96 divisors (see below), whose sum is σ = 53984378448000. Its totient is φ = 7093248540672.

The previous prime is 22202100100211. The next prime is 22202100100249. The reversal of 22202100100212 is 21200100120222.

It is a junction number, because it is equal to n+sod(n) for n = 22202100100191 and 22202100100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202100100211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31011664 + ... + 31719512.

It is an arithmetic number, because the mean of its divisors is an integer number (562337275500).

Almost surely, 2^{22202100100212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22202100100212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26992189224000).

22202100100212 is an abundant number, since it is smaller than the sum of its proper divisors (31782278347788).

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

22202100100212 is a wasteful number, since it uses less digits than its factorization.

22202100100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708545 (or 708543 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22202100100212 its reverse (21200100120222), we get a palindrome (43402200220434).

The spelling of 22202100100212 in words is "twenty-two trillion, two hundred two billion, one hundred million, one hundred thousand, two hundred twelve".