11212332011 has 4 divisors (see below), whose sum is σ = 11248154472. Its totient is φ = 11176509552.

The previous prime is 11212331993. The next prime is 11212332017. The reversal of 11212332011 is 11023321211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11212332011 - 2²⁶ = 11145223147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212332017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17910761 + ... + 17911386.

It is an arithmetic number, because the mean of its divisors is an integer number (2812038618).

Almost surely, 2^11212332011 is an apocalyptic number.

11212332011 is a deficient number, since it is larger than the sum of its proper divisors (35822461).

11212332011 is an equidigital number, since it uses as much as digits as its factorization.

11212332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35822460.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11212332011 its reverse (11023321211), we get a palindrome (22235653222).

The spelling of 11212332011 in words is "eleven billion, two hundred twelve million, three hundred thirty-two thousand, eleven".