22211010122212 has 48 divisors (see below), whose sum is σ = 41638553490240. Its totient is φ = 10336536410112.

The previous prime is 22211010122183. The next prime is 22211010122237. The reversal of 22211010122212 is 21222101011222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22211010122212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9985978 + ... + 12005905.

It is an arithmetic number, because the mean of its divisors is an integer number (867469864380).

Almost surely, 2^{22211010122212} is an apocalyptic number.

It is an amenable number.

22211010122212 is a deficient number, since it is larger than the sum of its proper divisors (19427543368028).

22211010122212 is a wasteful number, since it uses less digits than its factorization.

22211010122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21992140 (or 21992138 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22211010122212 its reverse (21222101011222), we get a palindrome (43433111133434).

The spelling of 22211010122212 in words is "twenty-two trillion, two hundred eleven billion, ten million, one hundred twenty-two thousand, two hundred twelve".