11012212211 has 24 divisors (see below), whose sum is σ = 14866884864. Its totient is φ = 7920862560.

The previous prime is 11012212201. The next prime is 11012212229. The reversal of 11012212211 is 11221221011.

It is a de Polignac number, because none of the positive numbers 2^k-11012212211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012212201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410111 + ... + 436136.

It is an arithmetic number, because the mean of its divisors is an integer number (619453536).

Almost surely, 2^11012212211 is an apocalyptic number.

11012212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11012212211 is a deficient number, since it is larger than the sum of its proper divisors (3854672653).

11012212211 is a wasteful number, since it uses less digits than its factorization.

11012212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846291 (or 846278 counting only the distinct ones).

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

Adding to 11012212211 its reverse (11221221011), we get a palindrome (22233433222).

The spelling of 11012212211 in words is "eleven billion, twelve million, two hundred twelve thousand, two hundred eleven".