11021100022020 has 96 divisors (see below), whose sum is σ = 33695423225856. Its totient is φ = 2669323708800.

The previous prime is 11021100022003. The next prime is 11021100022087. The reversal of 11021100022020 is 2022000112011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11021100021987 and 11021100022005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6963646 + ... + 8398485.

It is an arithmetic number, because the mean of its divisors is an integer number (350993991936).

Almost surely, 2^{11021100022020} is an apocalyptic number.

11021100022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021100022020 is an abundant number, since it is smaller than the sum of its proper divisors (22674323203836).

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

11021100022020 is a wasteful number, since it uses less digits than its factorization.

11021100022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363241 (or 15363239 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11021100022020 its reverse (2022000112011), we get a palindrome (13043100134031).

The spelling of 11021100022020 in words is "eleven trillion, twenty-one billion, one hundred million, twenty-two thousand, twenty".