11211010211 has 12 divisors (see below), whose sum is σ = 12222046200. Its totient is φ = 10254702528.

The previous prime is 11211010169. The next prime is 11211010231. The reversal of 11211010211 is 11201011211.

It is not a de Polignac number, because 11211010211 - 2⁶ = 11211010147 is a prime.

It is a super-2 number, since 2×11211010211² (a number of 21 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 = 11211010192 and 11211010201.

It is not an unprimeable number, because it can be changed into a prime (11211010231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334826 + ... + 366783.

It is an arithmetic number, because the mean of its divisors is an integer number (1018503850).

Almost surely, 2^11211010211 is an apocalyptic number.

11211010211 is a deficient number, since it is larger than the sum of its proper divisors (1011035989).

11211010211 is an equidigital number, since it uses as much as digits as its factorization.

11211010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701686 (or 701657 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11211010211 its reverse (11201011211), we get a palindrome (22412021422).

The spelling of 11211010211 in words is "eleven billion, two hundred eleven million, ten thousand, two hundred eleven".