11000012211100 has 144 divisors (see below), whose sum is σ = 27278954035200. Its totient is φ = 3813185376000.

The previous prime is 11000012211007. The next prime is 11000012211101. The reversal of 11000012211100 is 111221000011.

It is a super-2 number, since 2×11000012211100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000012211101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 337645 + ... + 4702555.

It is an arithmetic number, because the mean of its divisors is an integer number (189437180800).

Almost surely, 2^{11000012211100} is an apocalyptic number.

11000012211100 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 11000012211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13639477017600).

11000012211100 is an abundant number, since it is smaller than the sum of its proper divisors (16278941824100).

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

11000012211100 is a wasteful number, since it uses less digits than its factorization.

11000012211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365044 (or 4365037 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11000012211100 its reverse (111221000011), we get a palindrome (11111233211111).

The spelling of 11000012211100 in words is "eleven trillion, twelve million, two hundred eleven thousand, one hundred".