11200121002020 has 24 divisors (see below), whose sum is σ = 31360338805824. Its totient is φ = 2986698933856.

The previous prime is 11200121001959. The next prime is 11200121002051. The reversal of 11200121002020 is 2020012100211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11200121001987 and 11200121002005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93334341624 + ... + 93334341743.

It is an arithmetic number, because the mean of its divisors is an integer number (1306680783576).

Almost surely, 2^{11200121002020} is an apocalyptic number.

11200121002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200121002020 is an abundant number, since it is smaller than the sum of its proper divisors (20160217803804).

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

11200121002020 is a wasteful number, since it uses less digits than its factorization.

11200121002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186668683379 (or 186668683377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11200121002020 its reverse (2020012100211), we get a palindrome (13220133102231).

The spelling of 11200121002020 in words is "eleven trillion, two hundred billion, one hundred twenty-one million, two thousand, twenty".