2212100111011 has 4 divisors (see below), whose sum is σ = 2528114412592. Its totient is φ = 1896085809432.

The previous prime is 2212100110993. The next prime is 2212100111051. The reversal of 2212100111011 is 1101110012122.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212100111011 is a prime.

It is a super-2 number, since 2×2212100111011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212100110982 and 2212100111000.

It is not an unprimeable number, because it can be changed into a prime (2212100111051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158007150780 + ... + 158007150793.

It is an arithmetic number, because the mean of its divisors is an integer number (632028603148).

Almost surely, 2^{2212100111011} is an apocalyptic number.

2212100111011 is a deficient number, since it is larger than the sum of its proper divisors (316014301581).

2212100111011 is an equidigital number, since it uses as much as digits as its factorization.

2212100111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316014301580.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2212100111011 its reverse (1101110012122), we get a palindrome (3313210123133).

The spelling of 2212100111011 in words is "two trillion, two hundred twelve billion, one hundred million, one hundred eleven thousand, eleven".