22311120212 has 18 divisors (see below), whose sum is σ = 41476297422. Its totient is φ = 10499350144.

The previous prime is 22311120211. The next prime is 22311120239. The reversal of 22311120212 is 21202111322.

It can be written as a sum of positive squares in 3 ways, for example, as 13281179536 + 9029940676 = 115244^2 + 95026^2 .

It is a super-3 number, since 3×22311120212³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9648983 + ... + 9651294.

Almost surely, 2^22311120212 is an apocalyptic number.

It is an amenable number.

22311120212 is a deficient number, since it is larger than the sum of its proper divisors (19165177210).

22311120212 is a wasteful number, since it uses less digits than its factorization.

22311120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300315 (or 19300296 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22311120212 its reverse (21202111322), we get a palindrome (43513231534).

The spelling of 22311120212 in words is "twenty-two billion, three hundred eleven million, one hundred twenty thousand, two hundred twelve".