11312100220211 has 8 divisors (see below), whose sum is σ = 13490206473984. Its totient is φ = 9274516950600.

The previous prime is 11312100220207. The next prime is 11312100220237. The reversal of 11312100220211 is 11202200121311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11312100220211 - 2² = 11312100220207 is a prime.

It is a super-2 number, since 2×11312100220211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312100220211.

It is not an unprimeable number, because it can be changed into a prime (11312100220711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35130745865 + ... + 35130746186.

It is an arithmetic number, because the mean of its divisors is an integer number (1686275809248).

Almost surely, 2^{11312100220211} is an apocalyptic number.

11312100220211 is a deficient number, since it is larger than the sum of its proper divisors (2178106253773).

11312100220211 is an equidigital number, since it uses as much as digits as its factorization.

11312100220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70261492081.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11312100220211 its reverse (11202200121311), we get a palindrome (22514300341522).

The spelling of 11312100220211 in words is "eleven trillion, three hundred twelve billion, one hundred million, two hundred twenty thousand, two hundred eleven".