1111012112211 has 4 divisors (see below), whose sum is σ = 1481349482952. Its totient is φ = 740674741472.

The previous prime is 1111012112207. The next prime is 1111012112227. The reversal of 1111012112211 is 1122112101111.

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 1111012112211 - 2² = 1111012112207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111012112201) 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 3 ways as a sum of consecutive naturals, for example, 185168685366 + ... + 185168685371.

It is an arithmetic number, because the mean of its divisors is an integer number (370337370738).

Almost surely, 2^{1111012112211} is an apocalyptic number.

1111012112211 is a deficient number, since it is larger than the sum of its proper divisors (370337370741).

1111012112211 is an equidigital number, since it uses as much as digits as its factorization.

1111012112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370337370740.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1111012112211 its reverse (1122112101111), we get a palindrome (2233124213322).

The spelling of 1111012112211 in words is "one trillion, one hundred eleven billion, twelve million, one hundred twelve thousand, two hundred eleven".