1111011212211 has 8 divisors (see below), whose sum is σ = 1481748987024. Its totient is φ = 740473789440.

The previous prime is 1111011212161. The next prime is 1111011212219. The reversal of 1111011212211 is 1122121101111.

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

It is not a de Polignac number, because 1111011212211 - 2⁶ = 1111011212147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111011212219) 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 7 ways as a sum of consecutive naturals, for example, 50075070 + ... + 50097251.

It is an arithmetic number, because the mean of its divisors is an integer number (185218623378).

Almost surely, 2^{1111011212211} is an apocalyptic number.

1111011212211 is a deficient number, since it is larger than the sum of its proper divisors (370737774813).

1111011212211 is a wasteful number, since it uses less digits than its factorization.

1111011212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100176021.

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

Adding to 1111011212211 its reverse (1122121101111), we get a palindrome (2233132313322).

The spelling of 1111011212211 in words is "one trillion, one hundred eleven billion, eleven million, two hundred twelve thousand, two hundred eleven".