22201120123 has 32 divisors (see below), whose sum is σ = 27722741760. Its totient is φ = 17310533760.

The previous prime is 22201120103. The next prime is 22201120141. The reversal of 22201120123 is 32102110222.

It is a happy number.

It is not a de Polignac number, because 22201120123 - 2²¹ = 22199022971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201120097 and 22201120106.

It is not an unprimeable number, because it can be changed into a prime (22201120103) 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 31 ways as a sum of consecutive naturals, for example, 4217313 + ... + 4222573.

It is an arithmetic number, because the mean of its divisors is an integer number (866335680).

Almost surely, 2^22201120123 is an apocalyptic number.

22201120123 is a deficient number, since it is larger than the sum of its proper divisors (5521621637).

22201120123 is a wasteful number, since it uses less digits than its factorization.

22201120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22201120123 its reverse (32102110222), we get a palindrome (54303230345).

Subtracting 22201120123 from its reverse (32102110222), we obtain a palindrome (9900990099).

The spelling of 22201120123 in words is "twenty-two billion, two hundred one million, one hundred twenty thousand, one hundred twenty-three".