11212022211 has 32 divisors (see below), whose sum is σ = 16203200832. Its totient is φ = 6855321600.

The previous prime is 11212022209. The next prime is 11212022231. The reversal of 11212022211 is 11222021211.

It is not a de Polignac number, because 11212022211 - 2¹ = 11212022209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212022231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5460261 + ... + 5462313.

It is an arithmetic number, because the mean of its divisors is an integer number (506350026).

Almost surely, 2^11212022211 is an apocalyptic number.

11212022211 is a deficient number, since it is larger than the sum of its proper divisors (4991178621).

11212022211 is a wasteful number, since it uses less digits than its factorization.

11212022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212022211 its reverse (11222021211), we get a palindrome (22434043422).

The spelling of 11212022211 in words is "eleven billion, two hundred twelve million, twenty-two thousand, two hundred eleven".