11011020200010 has 144 divisors (see below), whose sum is σ = 28974165573600. Its totient is φ = 2901252245760.

The previous prime is 11011020199973. The next prime is 11011020200057. The reversal of 11011020200010 is 1000202011011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11011020199965 and 11011020200001.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1211195565 + ... + 1211204655.

It is an arithmetic number, because the mean of its divisors is an integer number (201209483150).

Almost surely, 2^{11011020200010} is an apocalyptic number.

11011020200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11011020200010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14487082786800).

11011020200010 is an abundant number, since it is smaller than the sum of its proper divisors (17963145373590).

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

11011020200010 is a wasteful number, since it uses less digits than its factorization.

11011020200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10981 (or 10889 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11011020200010 its reverse (1000202011011), we get a palindrome (12011222211021).

The spelling of 11011020200010 in words is "eleven trillion, eleven billion, twenty million, two hundred thousand, ten".