211222100000011 has 4 divisors (see below), whose sum is σ = 211765087404000. Its totient is φ = 210679112596024.

The previous prime is 211222100000003. The next prime is 211222100000027. The reversal of 211222100000011 is 110000001222112.

211222100000011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211222100000011 - 2³ = 211222100000003 is a prime.

It is a super-2 number, since 2×211222100000011² (a number of 29 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 = 211222099999937 and 211222100000000.

It is not an unprimeable number, because it can be changed into a prime (211222100000711) 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, 271493701411 + ... + 271493702188.

It is an arithmetic number, because the mean of its divisors is an integer number (52941271851000).

Almost surely, 2^{211222100000011} is an apocalyptic number.

211222100000011 is a deficient number, since it is larger than the sum of its proper divisors (542987403989).

211222100000011 is an equidigital number, since it uses as much as digits as its factorization.

211222100000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542987403988.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211222100000011 its reverse (110000001222112), we get a palindrome (321222101222123).

The spelling of 211222100000011 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred million, eleven", and thus it is an aban number.