22211111220122 has 16 divisors (see below), whose sum is σ = 36437005001952. Its totient is φ = 10070529012720.

The previous prime is 22211111220121. The next prime is 22211111220161. The reversal of 22211111220122 is 22102211111222.

It is a junction number, because it is equal to n+sod(n) for n = 22211111220094 and 22211111220103.

It is not an unprimeable number, because it can be changed into a prime (22211111220121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271522708 + ... + 1271540175.

It is an arithmetic number, because the mean of its divisors is an integer number (2277312812622).

Almost surely, 2^{22211111220122} is an apocalyptic number.

22211111220122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22211111220122 is a deficient number, since it is larger than the sum of its proper divisors (14225893781830).

22211111220122 is a wasteful number, since it uses less digits than its factorization.

22211111220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543063293.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22211111220122 its reverse (22102211111222), we get a palindrome (44313322331344).

The spelling of 22211111220122 in words is "twenty-two trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty-two".