11021220211012 has 24 divisors (see below), whose sum is σ = 22278188449440. Its totient is φ = 4714960517760.

The previous prime is 11021220210983. The next prime is 11021220211019. The reversal of 11021220211012 is 21011202212011.

It is not an unprimeable number, because it can be changed into a prime (11021220211019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7367125062 + ... + 7367126557.

It is an arithmetic number, because the mean of its divisors is an integer number (928257852060).

Almost surely, 2^{11021220211012} is an apocalyptic number.

It is an amenable number.

11021220211012 is an abundant number, since it is smaller than the sum of its proper divisors (11256968238428).

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

11021220211012 is a wasteful number, since it uses less digits than its factorization.

11021220211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14734251651 (or 14734251649 counting only the distinct ones).

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

Adding to 11021220211012 its reverse (21011202212011), we get a palindrome (32032422423023).

The spelling of 11021220211012 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred eleven thousand, twelve".