10121111100223 has 8 divisors (see below), whose sum is σ = 10149893502336. Its totient is φ = 10092363067800.

The previous prime is 10121111100203. The next prime is 10121111100251. The reversal of 10121111100223 is 32200111112101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10121111100223 - 2⁹ = 10121111099711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121111100197 and 10121111100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121111100203) 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 7 ways as a sum of consecutive naturals, for example, 8002573 + ... + 9180598.

It is an arithmetic number, because the mean of its divisors is an integer number (1268736687792).

Almost surely, 2^{10121111100223} is an apocalyptic number.

10121111100223 is a deficient number, since it is larger than the sum of its proper divisors (28782402113).

10121111100223 is a wasteful number, since it uses less digits than its factorization.

10121111100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17184845.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10121111100223 its reverse (32200111112101), we get a palindrome (42321222212324).

The spelling of 10121111100223 in words is "ten trillion, one hundred twenty-one billion, one hundred eleven million, one hundred thousand, two hundred twenty-three".