22011101112222 has 24 divisors (see below), whose sum is σ = 47708654764680. Its totient is φ = 7334274367440.

The previous prime is 22011101112131. The next prime is 22011101112223. The reversal of 22011101112222 is 22221110111022.

22011101112222 is a `hidden beast` number, since 220 + 1 + 110 + 1 + 112 + 222 = 666.

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 = 22011101112195 and 22011101112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011101112223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229895529 + ... + 229991252.

It is an arithmetic number, because the mean of its divisors is an integer number (1987860615195).

Almost surely, 2^{22011101112222} is an apocalyptic number.

22011101112222 is an abundant number, since it is smaller than the sum of its proper divisors (25697553652458).

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

22011101112222 is a wasteful number, since it uses less digits than its factorization.

22011101112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459889448 (or 459889445 counting only the distinct ones).

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

Adding to 22011101112222 its reverse (22221110111022), we get a palindrome (44232211223244).

The spelling of 22011101112222 in words is "twenty-two trillion, eleven billion, one hundred one million, one hundred twelve thousand, two hundred twenty-two".