11001210502020 has 48 divisors (see below), whose sum is σ = 30805590274368. Its totient is φ = 2933446527360.

The previous prime is 11001210501997. The next prime is 11001210502081. The reversal of 11001210502020 is 2020501210011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5702539 + ... + 7383858.

It is an arithmetic number, because the mean of its divisors is an integer number (641783130716).

Almost surely, 2^{11001210502020} is an apocalyptic number.

11001210502020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001210502020 is an abundant number, since it is smaller than the sum of its proper divisors (19804379772348).

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

11001210502020 is a wasteful number, since it uses less digits than its factorization.

11001210502020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13100420 (or 13100418 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 11001210502020 its reverse (2020501210011), we get a palindrome (13021711712031).

The spelling of 11001210502020 in words is "eleven trillion, one billion, two hundred ten million, five hundred two thousand, twenty".