1000222100111 has 4 divisors (see below), whose sum is σ = 1077162261672. Its totient is φ = 923281938552.

The previous prime is 1000222100099. The next prime is 1000222100161. The reversal of 1000222100111 is 1110012220001.

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 1000222100111 - 2¹⁴ = 1000222083727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000222100092 and 1000222100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222100161) 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 3 ways as a sum of consecutive naturals, for example, 38470080761 + ... + 38470080786.

It is an arithmetic number, because the mean of its divisors is an integer number (269290565418).

Almost surely, 2^{1000222100111} is an apocalyptic number.

1000222100111 is a deficient number, since it is larger than the sum of its proper divisors (76940161561).

1000222100111 is an equidigital number, since it uses as much as digits as its factorization.

1000222100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76940161560.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000222100111 its reverse (1110012220001), we get a palindrome (2110234320112).

The spelling of 1000222100111 in words is "one trillion, two hundred twenty-two million, one hundred thousand, one hundred eleven".