20111322231222 has 8 divisors (see below), whose sum is σ = 40222644462456. Its totient is φ = 6703774077072.

The previous prime is 20111322231163. The next prime is 20111322231239. The reversal of 20111322231222 is 22213222311102.

It is a sphenic number, since it is the product of 3 distinct primes.

20111322231222 is an admirable number.

It is a super-2 number, since 2×20111322231222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20111322231192 and 20111322231201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675943519263 + ... + 1675943519274.

It is an arithmetic number, because the mean of its divisors is an integer number (5027830557807).

Almost surely, 2^{20111322231222} is an apocalyptic number.

20111322231222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20111322231222 is a wasteful number, since it uses less digits than its factorization.

20111322231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351887038542.

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

Adding to 20111322231222 its reverse (22213222311102), we get a palindrome (42324544542324).

The spelling of 20111322231222 in words is "twenty trillion, one hundred eleven billion, three hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty-two".