10001121122223 has 24 divisors (see below), whose sum is σ = 18010677000576. Its totient is φ = 5195387595600.

The previous prime is 10001121122171. The next prime is 10001121122287. The reversal of 10001121122223 is 32222112110001.

It is not a de Polignac number, because 10001121122223 - 2⁹ = 10001121121711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001121122196 and 10001121122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001121122623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7215815413 + ... + 7215816798.

It is an arithmetic number, because the mean of its divisors is an integer number (750444875024).

Almost surely, 2^{10001121122223} is an apocalyptic number.

10001121122223 is a deficient number, since it is larger than the sum of its proper divisors (8009555878353).

10001121122223 is a wasteful number, since it uses less digits than its factorization.

10001121122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431632235 (or 14431632232 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10001121122223 its reverse (32222112110001), we get a palindrome (42223233232224).

The spelling of 10001121122223 in words is "ten trillion, one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-three".