112211222122 has 4 divisors (see below), whose sum is σ = 168316833186. Its totient is φ = 56105611060.

The previous prime is 112211222093. The next prime is 112211222153. The reversal of 112211222122 is 221222112211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221222112211 = 159589 ⋅1386199.

It can be written as a sum of positive squares in only one way, i.e., 85240057681 + 26971164441 = 291959^2 + 164229^2 .

It is a super-2 number, since 2×112211222122² (a number of 23 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 112211222122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28052805529 + ... + 28052805532.

Almost surely, 2^112211222122 is an apocalyptic number.

112211222122 is a deficient number, since it is larger than the sum of its proper divisors (56105611064).

112211222122 is an equidigital number, since it uses as much as digits as its factorization.

112211222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56105611063.

The product of its digits is 128, while the sum is 19.

Adding to 112211222122 its reverse (221222112211), we get a palindrome (333433334333).

The spelling of 112211222122 in words is "one hundred twelve billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".