22011111102222 has 24 divisors (see below), whose sum is σ = 52026262605720. Its totient is φ = 6670033667280.

The previous prime is 22011111102187. The next prime is 22011111102257. The reversal of 22011111102222 is 22220111111022.

22011111102222 is a `hidden beast` number, since 220 + 1 + 111 + 110 + 2 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (22011111102187) and next prime (22011111102257).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22011111102195 and 22011111102204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55583613697 + ... + 55583614092.

It is an arithmetic number, because the mean of its divisors is an integer number (2167760941905).

Almost surely, 2^{22011111102222} is an apocalyptic number.

22011111102222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22011111102222 is an abundant number, since it is smaller than the sum of its proper divisors (30015151503498).

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

22011111102222 is a wasteful number, since it uses less digits than its factorization.

22011111102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111167227808 (or 111167227805 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22011111102222 its reverse (22220111111022), we get a palindrome (44231222213244).

It can be divided in two parts, 220111111022 and 22, that multiplied together give a palindrome (4842444442484).

The spelling of 22011111102222 in words is "twenty-two trillion, eleven billion, one hundred eleven million, one hundred two thousand, two hundred twenty-two".