22011112221122 has 8 divisors (see below), whose sum is σ = 33088914872076. Its totient is φ = 10981473930432.

The previous prime is 22011112221121. The next prime is 22011112221149. The reversal of 22011112221122 is 22112221111022.

It can be written as a sum of positive squares in 2 ways, for example, as 21773133136561 + 237979084561 = 4666169^2 + 487831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22011112221122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011112221094 and 22011112221103.

It is not an unprimeable number, because it can be changed into a prime (22011112221121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12041088923 + ... + 12041090750.

Almost surely, 2^{22011112221122} is an apocalyptic number.

22011112221122 is a deficient number, since it is larger than the sum of its proper divisors (11077802650954).

22011112221122 is a wasteful number, since it uses less digits than its factorization.

22011112221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24082180132.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22011112221122 its reverse (22112221111022), we get a palindrome (44123333332144).

The spelling of 22011112221122 in words is "twenty-two trillion, eleven billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".