11011222010111 has 4 divisors (see below), whose sum is σ = 11053089774672. Its totient is φ = 10969354245552.

The previous prime is 11011222010021. The next prime is 11011222010143. The reversal of 11011222010111 is 11101022211011.

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 11011222010111 - 2¹⁴ = 11011221993727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011222010171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20933881886 + ... + 20933882411.

It is an arithmetic number, because the mean of its divisors is an integer number (2763272443668).

Almost surely, 2^{11011222010111} is an apocalyptic number.

11011222010111 is a deficient number, since it is larger than the sum of its proper divisors (41867764561).

11011222010111 is an equidigital number, since it uses as much as digits as its factorization.

11011222010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41867764560.

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

Adding to 11011222010111 its reverse (11101022211011), we get a palindrome (22112244221122).

The spelling of 11011222010111 in words is "eleven trillion, eleven billion, two hundred twenty-two million, ten thousand, one hundred eleven".