1011112112211 has 8 divisors (see below), whose sum is σ = 1348840495104. Its totient is φ = 673729235400.

The previous prime is 1011112112201. The next prime is 1011112112237. The reversal of 1011112112211 is 1122112111101.

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

It is not a de Polignac number, because 1011112112211 - 2⁶ = 1011112112147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011112112201) 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, 86369691 + ... + 86381396.

It is an arithmetic number, because the mean of its divisors is an integer number (168605061888).

Almost surely, 2^{1011112112211} is an apocalyptic number.

1011112112211 is a deficient number, since it is larger than the sum of its proper divisors (337728382893).

1011112112211 is a wasteful number, since it uses less digits than its factorization.

1011112112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172753041.

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

Adding to 1011112112211 its reverse (1122112111101), we get a palindrome (2133224223312).

The spelling of 1011112112211 in words is "one trillion, eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred eleven".