11020220011100 has 72 divisors (see below), whose sum is σ = 24701948640768. Its totient is φ = 4263013310400.

The previous prime is 11020220011049. The next prime is 11020220011111. The reversal of 11020220011100 is 111002202011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3398747 + ... + 5795853.

Almost surely, 2^{11020220011100} is an apocalyptic number.

11020220011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020220011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12350974320384).

11020220011100 is an abundant number, since it is smaller than the sum of its proper divisors (13681728629668).

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

11020220011100 is a wasteful number, since it uses less digits than its factorization.

11020220011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398635 (or 2398628 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020220011100 its reverse (111002202011), we get a palindrome (11131222213111).

The spelling of 11020220011100 in words is "eleven trillion, twenty billion, two hundred twenty million, eleven thousand, one hundred".