11020211210111 has 4 divisors (see below), whose sum is σ = 11288996849424. Its totient is φ = 10751425570800.

The previous prime is 11020211210087. The next prime is 11020211210149. The reversal of 11020211210111 is 11101211202011.

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 11020211210111 - 2³⁸ = 10745333303167 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 (11020211210011) 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, 134392819595 + ... + 134392819676.

It is an arithmetic number, because the mean of its divisors is an integer number (2822249212356).

Almost surely, 2^{11020211210111} is an apocalyptic number.

11020211210111 is a deficient number, since it is larger than the sum of its proper divisors (268785639313).

11020211210111 is an equidigital number, since it uses as much as digits as its factorization.

11020211210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268785639312.

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

Adding to 11020211210111 its reverse (11101211202011), we get a palindrome (22121422412122).

It can be divided in two parts, 1102021 and 1210111, that added together give a palindrome (2312132).

The spelling of 11020211210111 in words is "eleven trillion, twenty billion, two hundred eleven million, two hundred ten thousand, one hundred eleven".