20110112220022 has 16 divisors (see below), whose sum is σ = 34042196235600. Its totient is φ = 8825754579040.

The previous prime is 20110112219969. The next prime is 20110112220061. The reversal of 20110112220022 is 22002221101102.

It is a happy number.

It is a super-2 number, since 2×20110112220022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110112219978 and 20110112220005.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15760275397 + ... + 15760276672.

It is an arithmetic number, because the mean of its divisors is an integer number (2127637264725).

Almost surely, 2^{20110112220022} is an apocalyptic number.

20110112220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20110112220022 is a deficient number, since it is larger than the sum of its proper divisors (13932084015578).

20110112220022 is a wasteful number, since it uses less digits than its factorization.

20110112220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31520552111.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20110112220022 its reverse (22002221101102), we get a palindrome (42112333321124).

The spelling of 20110112220022 in words is "twenty trillion, one hundred ten billion, one hundred twelve million, two hundred twenty thousand, twenty-two".