1111221102011 has 8 divisors (see below), whose sum is σ = 1181413084320. Its totient is φ = 1042852288192.

The previous prime is 1111221101999. The next prime is 1111221102023. The reversal of 1111221102011 is 1102011221111.

It is an interprime number because it is at equal distance from previous prime (1111221101999) and next prime (1111221102023).

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 1111221102011 - 2¹⁸ = 1111220839867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111221302011) 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, 455790866 + ... + 455793303.

It is an arithmetic number, because the mean of its divisors is an integer number (147676635540).

Almost surely, 2^{1111221102011} is an apocalyptic number.

1111221102011 is a deficient number, since it is larger than the sum of its proper divisors (70191982309).

1111221102011 is an equidigital number, since it uses as much as digits as its factorization.

1111221102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911584245.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111221102011 its reverse (1102011221111), we get a palindrome (2213232323122).

The spelling of 1111221102011 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred two thousand, eleven".