1000001111223 has 8 divisors (see below), whose sum is σ = 1336252398448. Its totient is φ = 665208615744.

The previous prime is 1000001111159. The next prime is 1000001111233. The reversal of 1000001111223 is 3221111000001.

1000001111223 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1000001111223 - 2⁶ = 1000001111159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000001111199 and 1000001111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001111233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364696336 + ... + 364699077.

It is an arithmetic number, because the mean of its divisors is an integer number (167031549806).

Almost surely, 2^{1000001111223} is an apocalyptic number.

1000001111223 is a deficient number, since it is larger than the sum of its proper divisors (336251287225).

1000001111223 is an equidigital number, since it uses as much as digits as its factorization.

1000001111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729395873.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1000001111223 its reverse (3221111000001), we get a palindrome (4221112111224).

The spelling of 1000001111223 in words is "one trillion, one million, one hundred eleven thousand, two hundred twenty-three".