20110112222222 has 96 divisors (see below), whose sum is σ = 34729179287040. Its totient is φ = 8644785346560.

The previous prime is 20110112222131. The next prime is 20110112222269. The reversal of 20110112222222 is 22222221101102.

It is a super-2 number, since 2×20110112222222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110112222194 and 20110112222203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3147611804 + ... + 3147618192.

It is an arithmetic number, because the mean of its divisors is an integer number (361762284240).

Almost surely, 2^{20110112222222} is an apocalyptic number.

20110112222222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20110112222222 is a deficient number, since it is larger than the sum of its proper divisors (14619067064818).

20110112222222 is a wasteful number, since it uses less digits than its factorization.

20110112222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978 (or 6785 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20110112222222 its reverse (22222221101102), we get a palindrome (42332333323324).

The spelling of 20110112222222 in words is "twenty trillion, one hundred ten billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-two".