22210112220212 has 96 divisors (see below), whose sum is σ = 48381482822400. Its totient is φ = 8704706024448.

The previous prime is 22210112220169. The next prime is 22210112220271. The reversal of 22210112220212 is 21202221101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68601098 + ... + 68924094.

It is an arithmetic number, because the mean of its divisors is an integer number (503973779400).

Almost surely, 2^{22210112220212} 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 22210112220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24190741411200).

22210112220212 is an abundant number, since it is smaller than the sum of its proper divisors (26171370602188).

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

22210112220212 is a wasteful number, since it uses less digits than its factorization.

22210112220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327513 (or 327511 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22210112220212 its reverse (21202221101222), we get a palindrome (43412333321434).

The spelling of 22210112220212 in words is "twenty-two trillion, two hundred ten billion, one hundred twelve million, two hundred twenty thousand, two hundred twelve".