11001210002020 has 48 divisors (see below), whose sum is σ = 26405129157120. Its totient is φ = 3771525550464.

The previous prime is 11001210001993. The next prime is 11001210002033. The reversal of 11001210002020 is 2020001210011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11001210001988 and 11001210002006.

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, 1641115 + ... + 4969474.

It is an arithmetic number, because the mean of its divisors is an integer number (550106857440).

Almost surely, 2^{11001210002020} is an apocalyptic number.

11001210002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001210002020 is an abundant number, since it is smaller than the sum of its proper divisors (15403919155100).

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

11001210002020 is a wasteful number, since it uses less digits than its factorization.

11001210002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622492 (or 6622490 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11001210002020 its reverse (2020001210011), we get a palindrome (13021211212031).

The spelling of 11001210002020 in words is "eleven trillion, one billion, two hundred ten million, two thousand, twenty".