11102020111211 has 4 divisors (see below), whose sum is σ = 11114621724024. Its totient is φ = 11089418498400.

The previous prime is 11102020111181. The next prime is 11102020111241. The reversal of 11102020111211 is 11211102020111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11102020111181) and next prime (11102020111241).

It is a cyclic number.

It is not a de Polignac number, because 11102020111211 - 2³⁴ = 11084840242027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102020111241) 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, 6300805085 + ... + 6300806846.

It is an arithmetic number, because the mean of its divisors is an integer number (2778655431006).

Almost surely, 2^{11102020111211} is an apocalyptic number.

11102020111211 is a deficient number, since it is larger than the sum of its proper divisors (12601612813).

11102020111211 is an equidigital number, since it uses as much as digits as its factorization.

11102020111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601612812.

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

Adding to 11102020111211 its reverse (11211102020111), we get a palindrome (22313122131322).

The spelling of 11102020111211 in words is "eleven trillion, one hundred two billion, twenty million, one hundred eleven thousand, two hundred eleven".