11212220110011 has 32 divisors (see below), whose sum is σ = 15511783203840. Its totient is φ = 7198932153600.

The previous prime is 11212220109983. The next prime is 11212220110073. The reversal of 11212220110011 is 11001102221211.

It is a happy number.

It is not a de Polignac number, because 11212220110011 - 2⁶ = 11212220109947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212220110211) 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, 2090316 + ... + 5176278.

It is an arithmetic number, because the mean of its divisors is an integer number (484743225120).

Almost surely, 2^{11212220110011} is an apocalyptic number.

11212220110011 is a deficient number, since it is larger than the sum of its proper divisors (4299563093829).

11212220110011 is a wasteful number, since it uses less digits than its factorization.

11212220110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086387.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11212220110011 its reverse (11001102221211), we get a palindrome (22213322331222).

The spelling of 11212220110011 in words is "eleven trillion, two hundred twelve billion, two hundred twenty million, one hundred ten thousand, eleven".