22001123011230 has 96 divisors (see below), whose sum is σ = 62406644283360. Its totient is φ = 5333309936640.

The previous prime is 22001123011199. The next prime is 22001123011237. The reversal of 22001123011230 is 3211032110022.

22001123011230 is a `hidden beast` number, since 2 + 20 + 0 + 112 + 301 + 1 + 230 = 666.

It is a super-2 number, since 2×22001123011230² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001123011237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17523106 + ... + 18736634.

It is an arithmetic number, because the mean of its divisors is an integer number (650069211285).

Almost surely, 2^{22001123011230} is an apocalyptic number.

22001123011230 is an abundant number, since it is smaller than the sum of its proper divisors (40405521272130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001123011230 is a wasteful number, since it uses less digits than its factorization.

22001123011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231866 (or 1231863 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22001123011230 its reverse (3211032110022), we get a palindrome (25212155121252).

The spelling of 22001123011230 in words is "twenty-two trillion, one billion, one hundred twenty-three million, eleven thousand, two hundred thirty".