22132100123123 has 4 divisors (see below), whose sum is σ = 22132132334208. Its totient is φ = 22132067912040.

The previous prime is 22132100123069. The next prime is 22132100123167. The reversal of 22132100123123 is 32132100123122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22132100123123 - 2⁶ = 22132100123059 is a prime.

It is a super-2 number, since 2×22132100123123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22132100123173) 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 3 ways as a sum of consecutive naturals, for example, 15051923 + ... + 16456748.

It is an arithmetic number, because the mean of its divisors is an integer number (5533033083552).

Almost surely, 2^{22132100123123} is an apocalyptic number.

22132100123123 is a deficient number, since it is larger than the sum of its proper divisors (32211085).

22132100123123 is an equidigital number, since it uses as much as digits as its factorization.

22132100123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32211084.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22132100123123 its reverse (32132100123122), we get a palindrome (54264200246245).

Subtracting 22132100123123 from its reverse (32132100123122), we obtain a palindrome (9999999999999).

The spelling of 22132100123123 in words is "twenty-two trillion, one hundred thirty-two billion, one hundred million, one hundred twenty-three thousand, one hundred twenty-three".