11021001200220 has 96 divisors (see below), whose sum is σ = 33677603688960. Its totient is φ = 2670690044160.

The previous prime is 11021001200197. The next prime is 11021001200227. The reversal of 11021001200220 is 2200210012011.

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 = 11021001200196 and 11021001200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021001200227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1683715 + ... + 4987674.

It is an arithmetic number, because the mean of its divisors is an integer number (350808371760).

Almost surely, 2^{11021001200220} is an apocalyptic number.

11021001200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021001200220 is an abundant number, since it is smaller than the sum of its proper divisors (22656602488740).

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

11021001200220 is a wasteful number, since it uses less digits than its factorization.

11021001200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673915 (or 6673913 counting only the distinct ones).

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

Adding to 11021001200220 its reverse (2200210012011), we get a palindrome (13221211212231).

The spelling of 11021001200220 in words is "eleven trillion, twenty-one billion, one million, two hundred thousand, two hundred twenty".