22112211221122 has 48 divisors (see below), whose sum is σ = 37153239822720. Its totient is φ = 9859340210720.

The previous prime is 22112211221083. The next prime is 22112211221143.

22112211221122 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22112211221093 and 22112211221102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63224529 + ... + 63573307.

It is an arithmetic number, because the mean of its divisors is an integer number (774025829640).

Almost surely, 2^{22112211221122} is an apocalyptic number.

22112211221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22112211221122 is a deficient number, since it is larger than the sum of its proper divisors (15041028601598).

22112211221122 is a wasteful number, since it uses less digits than its factorization.

22112211221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353799 (or 353788 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

Multiplying 22112211221122 by its sum of digits (22), we get a palindrome (486468646864684).

It can be divided in two parts, 2211221 and 1221122, that added together give a palindrome (3432343).

The spelling of 22112211221122 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".