22112726122 has 4 divisors (see below), whose sum is σ = 33169089186. Its totient is φ = 11056363060.

The previous prime is 22112726117. The next prime is 22112726131. The reversal of 22112726122 is 22162721122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22162721122 = 2 ⋅11081360561.

It can be written as a sum of positive squares in only one way, i.e., 21916137681 + 196588441 = 148041^2 + 14021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528181529 + ... + 5528181532.

Almost surely, 2^22112726122 is an apocalyptic number.

22112726122 is a deficient number, since it is larger than the sum of its proper divisors (11056363064).

22112726122 is a wasteful number, since it uses less digits than its factorization.

22112726122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056363063.

The product of its digits is 2688, while the sum is 28.

Subtracting 22112726122 from its reverse (22162721122), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 22112726122 in words is "twenty-two billion, one hundred twelve million, seven hundred twenty-six thousand, one hundred twenty-two".