22021202022212 has 24 divisors (see below), whose sum is σ = 42951570510240. Its totient is φ = 9817501829760.

The previous prime is 22021202022191. The next prime is 22021202022217. The reversal of 22021202022212 is 21222020212022.

It is not an unprimeable number, because it can be changed into a prime (22021202022217) 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, 8522135714 + ... + 8522138297.

It is an arithmetic number, because the mean of its divisors is an integer number (1789648771260).

Almost surely, 2^{22021202022212} is an apocalyptic number.

It is an amenable number.

22021202022212 is a deficient number, since it is larger than the sum of its proper divisors (20930368488028).

22021202022212 is a wasteful number, since it uses less digits than its factorization.

22021202022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17044274051 (or 17044274049 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22021202022212 its reverse (21222020212022), we get a palindrome (43243222234234).

The spelling of 22021202022212 in words is "twenty-two trillion, twenty-one billion, two hundred two million, twenty-two thousand, two hundred twelve".