11111310100211 has 4 divisors (see below), whose sum is σ = 11764916576712. Its totient is φ = 10457703623712.

The previous prime is 11111310100183. The next prime is 11111310100229. The reversal of 11111310100211 is 11200101311111.

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 11111310100211 - 2³⁰ = 11110236358387 is a prime.

It is a super-2 number, since 2×11111310100211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111310100411) 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, 326803238225 + ... + 326803238258.

It is an arithmetic number, because the mean of its divisors is an integer number (2941229144178).

Almost surely, 2^{11111310100211} is an apocalyptic number.

11111310100211 is a deficient number, since it is larger than the sum of its proper divisors (653606476501).

11111310100211 is an equidigital number, since it uses as much as digits as its factorization.

11111310100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653606476500.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 11111310100211 its reverse (11200101311111), we get a palindrome (22311411411322).

The spelling of 11111310100211 in words is "eleven trillion, one hundred eleven billion, three hundred ten million, one hundred thousand, two hundred eleven".