11222120221012 has 12 divisors (see below), whose sum is σ = 19725224531040. Its totient is φ = 5586341783576.

The previous prime is 11222120221003. The next prime is 11222120221031. The reversal of 11222120221012 is 21012202122211.

11222120221012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6179580712 + ... + 6179582527.

It is an arithmetic number, because the mean of its divisors is an integer number (1643768710920).

Almost surely, 2^{11222120221012} is an apocalyptic number.

It is an amenable number.

11222120221012 is a deficient number, since it is larger than the sum of its proper divisors (8503104310028).

11222120221012 is a wasteful number, since it uses less digits than its factorization.

11222120221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12359163470 (or 12359163468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222120221012 its reverse (21012202122211), we get a palindrome (32234322343223).

The spelling of 11222120221012 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, twelve".