1111011222211 has 8 divisors (see below), whose sum is σ = 1224012364848. Its totient is φ = 1000010100000.

The previous prime is 1111011222199. The next prime is 1111011222239. The reversal of 1111011222211 is 1122221101111.

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 1111011222211 - 2⁹ = 1111011221699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111011222241) 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, 500003940 + ... + 500006161.

It is an arithmetic number, because the mean of its divisors is an integer number (153001545606).

Almost surely, 2^{1111011222211} is an apocalyptic number.

1111011222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111011222211 is a deficient number, since it is larger than the sum of its proper divisors (113001142637).

1111011222211 is a wasteful number, since it uses less digits than its factorization.

1111011222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000010213.

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

Adding to 1111011222211 its reverse (1122221101111), we get a palindrome (2233232323322).

The spelling of 1111011222211 in words is "one trillion, one hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred eleven".