2211323122212 has 24 divisors (see below), whose sum is σ = 5160275363712. Its totient is φ = 737033220000.

The previous prime is 2211323122201. The next prime is 2211323122273. The reversal of 2211323122212 is 2122213231122.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9187164 + ... + 9424787.

It is an arithmetic number, because the mean of its divisors is an integer number (215011473488).

Almost surely, 2^{2211323122212} is an apocalyptic number.

It is an amenable number.

2211323122212 is an abundant number, since it is smaller than the sum of its proper divisors (2948952241500).

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

2211323122212 is a wasteful number, since it uses less digits than its factorization.

2211323122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18621859 (or 18621857 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 2211323122212 its reverse (2122213231122), we get a palindrome (4333536353334).

The spelling of 2211323122212 in words is "two trillion, two hundred eleven billion, three hundred twenty-three million, one hundred twenty-two thousand, two hundred twelve".