22112781106 has 8 divisors (see below), whose sum is σ = 35720646444. Its totient is φ = 10205898960.

The previous prime is 22112781029. The next prime is 22112781133. The reversal of 22112781106 is 60118721122.

It can be written as a sum of positive squares in 2 ways, for example, as 22101282225 + 11498881 = 148665^2 + 3391^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425245765 + ... + 425245816.

Almost surely, 2^22112781106 is an apocalyptic number.

22112781106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22112781106 is a deficient number, since it is larger than the sum of its proper divisors (13607865338).

22112781106 is a wasteful number, since it uses less digits than its factorization.

22112781106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850491596.

The product of its (nonzero) digits is 2688, while the sum is 31.

The spelling of 22112781106 in words is "twenty-two billion, one hundred twelve million, seven hundred eighty-one thousand, one hundred six".