11121220210012 has 48 divisors (see below), whose sum is σ = 21821262640128. Its totient is φ = 4916031606720.

The previous prime is 11121220209929. The next prime is 11121220210019. The reversal of 11121220210012 is 21001202212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121220210019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16801968 + ... + 17451319.

It is an arithmetic number, because the mean of its divisors is an integer number (454609638336).

Almost surely, 2^{11121220210012} is an apocalyptic number.

It is an amenable number.

11121220210012 is a deficient number, since it is larger than the sum of its proper divisors (10700042430116).

11121220210012 is a wasteful number, since it uses less digits than its factorization.

11121220210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34253506 (or 34253504 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11121220210012 its reverse (21001202212111), we get a palindrome (32122422422123).

The spelling of 11121220210012 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty million, two hundred ten thousand, twelve".