22011011001123 has 24 divisors (see below), whose sum is σ = 30975741764928. Its totient is φ = 13900884046128.

The previous prime is 22011011001097. The next prime is 22011011001127. The reversal of 22011011001123 is 32110011011022.

It is a de Polignac number, because none of the positive numbers 2^k-22011011001123 is a prime.

It is a super-2 number, since 2×22011011001123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22011011001127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18352836 + ... + 19515342.

It is an arithmetic number, because the mean of its divisors is an integer number (1290655906872).

Almost surely, 2^{22011011001123} is an apocalyptic number.

22011011001123 is a deficient number, since it is larger than the sum of its proper divisors (8964730763805).

22011011001123 is a wasteful number, since it uses less digits than its factorization.

22011011001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180031 (or 1180012 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 22011011001123 its reverse (32110011011022), we get a palindrome (54121022012145).

The spelling of 22011011001123 in words is "twenty-two trillion, eleven billion, eleven million, one thousand, one hundred twenty-three".