22222101012212 has 48 divisors (see below), whose sum is σ = 40219834314240. Its totient is φ = 10737784226400.

The previous prime is 22222101012193. The next prime is 22222101012277. The reversal of 22222101012212 is 21221010122222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6332537 + ... + 9194847.

It is an arithmetic number, because the mean of its divisors is an integer number (837913214880).

Almost surely, 2^{22222101012212} is an apocalyptic number.

It is an amenable number.

22222101012212 is a deficient number, since it is larger than the sum of its proper divisors (17997733302028).

22222101012212 is a wasteful number, since it uses less digits than its factorization.

22222101012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862932 (or 2862930 counting only the distinct ones).

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

Adding to 22222101012212 its reverse (21221010122222), we get a palindrome (43443111134434).

The spelling of 22222101012212 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, twelve thousand, two hundred twelve".