1111222200111 has 8 divisors (see below), whose sum is σ = 1485361666224. Its totient is φ = 738948767040.

The previous prime is 1111222200089. The next prime is 1111222200173. The reversal of 1111222200111 is 1110022221111.

It is a happy number.

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

It is not a de Polignac number, because 1111222200111 - 2¹⁴ = 1111222183727 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111222200181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466506870 + ... + 466509251.

It is an arithmetic number, because the mean of its divisors is an integer number (185670208278).

Almost surely, 2^{1111222200111} is an apocalyptic number.

1111222200111 is a deficient number, since it is larger than the sum of its proper divisors (374139466113).

1111222200111 is an equidigital number, since it uses as much as digits as its factorization.

1111222200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933016521.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111222200111 its reverse (1110022221111), we get a palindrome (2221244421222).

The spelling of 1111222200111 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, two hundred thousand, one hundred eleven".