11321221330212 has 48 divisors (see below), whose sum is σ = 26424413787072. Its totient is φ = 3772564871040.

The previous prime is 11321221330189. The next prime is 11321221330229. The reversal of 11321221330212 is 21203312212311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944925262 + ... + 944937242.

It is an arithmetic number, because the mean of its divisors is an integer number (550508620564).

Almost surely, 2^{11321221330212} is an apocalyptic number.

11321221330212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11321221330212 is an abundant number, since it is smaller than the sum of its proper divisors (15103192456860).

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

11321221330212 is a wasteful number, since it uses less digits than its factorization.

11321221330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29948 (or 29946 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11321221330212 its reverse (21203312212311), we get a palindrome (32524533542523).

The spelling of 11321221330212 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred thirty thousand, two hundred twelve".