22110211122220 has 96 divisors (see below), whose sum is σ = 52069905256320. Its totient is φ = 7830060134400.

The previous prime is 22110211122217. The next prime is 22110211122283. The reversal of 22110211122220 is 2222111201122.

It is a super-2 number, since 2×22110211122220² (a number of 27 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 8571357 + ... + 10848436.

It is an arithmetic number, because the mean of its divisors is an integer number (542394846420).

Almost surely, 2^{22110211122220} is an apocalyptic number.

22110211122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110211122220 is an abundant number, since it is smaller than the sum of its proper divisors (29959694134100).

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

22110211122220 is a wasteful number, since it uses less digits than its factorization.

22110211122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19419995 (or 19419993 counting only the distinct ones).

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

Adding to 22110211122220 its reverse (2222111201122), we get a palindrome (24332322323342).

The spelling of 22110211122220 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty".