211222211000011 has 8 divisors (see below), whose sum is σ = 214375122142160. Its totient is φ = 208069309882368.

The previous prime is 211222210999957. The next prime is 211222211000033. The reversal of 211222211000011 is 110000112222112.

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 211222211000011 - 2⁷ = 211222210999883 is a prime.

It is a super-2 number, since 2×211222211000011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211222211004011) 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, 47274955 + ... + 51549643.

It is an arithmetic number, because the mean of its divisors is an integer number (26796890267770).

Almost surely, 2^{211222211000011} is an apocalyptic number.

211222211000011 is a deficient number, since it is larger than the sum of its proper divisors (3152911142149).

211222211000011 is an equidigital number, since it uses as much as digits as its factorization.

211222211000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012253.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211222211000011 its reverse (110000112222112), we get a palindrome (321222323222123).

The spelling of 211222211000011 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, eleven", and thus it is an aban number.