11211021113312 has 48 divisors (see below), whose sum is σ = 22321468118880. Its totient is φ = 5542319419392.

The previous prime is 11211021113263. The next prime is 11211021113323. The reversal of 11211021113312 is 21331112011211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311268 + ... + 5269155.

It is an arithmetic number, because the mean of its divisors is an integer number (465030585810).

Almost surely, 2^{11211021113312} is an apocalyptic number.

It is an amenable number.

11211021113312 is a deficient number, since it is larger than the sum of its proper divisors (11110447005568).

11211021113312 is a wasteful number, since it uses less digits than its factorization.

11211021113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580955 (or 7580947 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 11211021113312 its reverse (21331112011211), we get a palindrome (32542133124523).

The spelling of 11211021113312 in words is "eleven trillion, two hundred eleven billion, twenty-one million, one hundred thirteen thousand, three hundred twelve".