11220102101021 has 32 divisors (see below), whose sum is σ = 12975943219200. Its totient is φ = 9607184959680.

The previous prime is 11220102101017. The next prime is 11220102101041. The reversal of 11220102101021 is 12010120102211.

It is not a de Polignac number, because 11220102101021 - 2² = 11220102101017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220102100987 and 11220102101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220102101041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346961 + ... + 4749798.

It is an arithmetic number, because the mean of its divisors is an integer number (405498225600).

Almost surely, 2^{11220102101021} is an apocalyptic number.

11220102101021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220102101021 is a deficient number, since it is larger than the sum of its proper divisors (1755841118179).

11220102101021 is a wasteful number, since it uses less digits than its factorization.

11220102101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096969.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11220102101021 its reverse (12010120102211), we get a palindrome (23230222203232).

The spelling of 11220102101021 in words is "eleven trillion, two hundred twenty billion, one hundred two million, one hundred one thousand, twenty-one".