11021220201012 has 24 divisors (see below), whose sum is σ = 29389920536256. Its totient is φ = 3148920057408.

The previous prime is 11021220201011. The next prime is 11021220201031. The reversal of 11021220201012 is 21010202212011.

It is a junction number, because it is equal to n+sod(n) for n = 11021220200982 and 11021220201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021220201011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65602501113 + ... + 65602501280.

It is an arithmetic number, because the mean of its divisors is an integer number (1224580022344).

Almost surely, 2^{11021220201012} is an apocalyptic number.

11021220201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021220201012 is an abundant number, since it is smaller than the sum of its proper divisors (18368700335244).

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

11021220201012 is a wasteful number, since it uses less digits than its factorization.

11021220201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131205002407 (or 131205002405 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11021220201012 its reverse (21010202212011), we get a palindrome (32031422413023).

The spelling of 11021220201012 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred one thousand, twelve".