22112123011 has 8 divisors (see below), whose sum is σ = 24361152048. Its totient is φ = 19902900000.

The previous prime is 22112122997. The next prime is 22112123027. The reversal of 22112123011 is 11032121122.

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

It is a cyclic number.

It is not a de Polignac number, because 22112123011 - 2⁵ = 22112122979 is a prime.

It is a super-2 number, since 2×22112123011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112126011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9950340 + ... + 9952561.

It is an arithmetic number, because the mean of its divisors is an integer number (3045144006).

Almost surely, 2^22112123011 is an apocalyptic number.

22112123011 is a deficient number, since it is larger than the sum of its proper divisors (2249029037).

22112123011 is a wasteful number, since it uses less digits than its factorization.

22112123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19903013.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22112123011 its reverse (11032121122), we get a palindrome (33144244133).

The spelling of 22112123011 in words is "twenty-two billion, one hundred twelve million, one hundred twenty-three thousand, eleven".