11211202020000 has 240 divisors, whose sum is σ = 37768910854752. Its totient is φ = 2908851840000.

The previous prime is 11211202019993. The next prime is 11211202020049. The reversal of 11211202020000 is 2020211211.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 305046 + ... + 4745045.

Almost surely, 2^{11211202020000} is an apocalyptic number.

11211202020000 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 11211202020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18884455427376).

11211202020000 is an abundant number, since it is smaller than the sum of its proper divisors (26557708834752).

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

11211202020000 is an equidigital number, since it uses as much as digits as its factorization.

11211202020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050161 (or 5050138 counting only the distinct ones).

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

Adding to 11211202020000 its reverse (2020211211), we get a palindrome (11213222231211).

The spelling of 11211202020000 in words is "eleven trillion, two hundred eleven billion, two hundred two million, twenty thousand".