11022211211 has 8 divisors (see below), whose sum is σ = 12054220848. Its totient is φ = 9995200000.

The previous prime is 11022211153. The next prime is 11022211217. The reversal of 11022211211 is 11211222011.

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 11022211211 - 2⁶ = 11022211147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022211217) 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, 1244990 + ... + 1253811.

It is an arithmetic number, because the mean of its divisors is an integer number (1506777606).

Almost surely, 2^11022211211 is an apocalyptic number.

11022211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11022211211 is a deficient number, since it is larger than the sum of its proper divisors (1032009637).

11022211211 is a wasteful number, since it uses less digits than its factorization.

11022211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499213.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11022211211 its reverse (11211222011), we get a palindrome (22233433222).

The spelling of 11022211211 in words is "eleven billion, twenty-two million, two hundred eleven thousand, two hundred eleven".