11012002122220 has 48 divisors (see below), whose sum is σ = 25573077942048. Its totient is φ = 3949510095360.

The previous prime is 11012002122181. The next prime is 11012002122227. The reversal of 11012002122220 is 2222120021011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11012002122194 and 11012002122203.

It is not an unprimeable number, because it can be changed into a prime (11012002122227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342823359 + ... + 342855478.

It is an arithmetic number, because the mean of its divisors is an integer number (532772457126).

Almost surely, 2^{11012002122220} is an apocalyptic number.

11012002122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012002122220 is an abundant number, since it is smaller than the sum of its proper divisors (14561075819828).

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

11012002122220 is a wasteful number, since it uses less digits than its factorization.

11012002122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685678930 (or 685678928 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11012002122220 its reverse (2222120021011), we get a palindrome (13234122143231).

The spelling of 11012002122220 in words is "eleven trillion, twelve billion, two million, one hundred twenty-two thousand, two hundred twenty".