11211420332 has 12 divisors (see below), whose sum is σ = 22422840720. Its totient is φ = 4804894416.

The previous prime is 11211420331. The next prime is 11211420379. The reversal of 11211420332 is 23302411211.

11211420332 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11211420331) 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, 200203907 + ... + 200203962.

It is an arithmetic number, because the mean of its divisors is an integer number (1868570060).

Almost surely, 2^11211420332 is an apocalyptic number.

It is an amenable number.

11211420332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211420332 is a wasteful number, since it uses less digits than its factorization.

11211420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400407880 (or 400407878 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11211420332 its reverse (23302411211), we get a palindrome (34513831543).

The spelling of 11211420332 in words is "eleven billion, two hundred eleven million, four hundred twenty thousand, three hundred thirty-two".