11202120001002 has 96 divisors (see below), whose sum is σ = 26135559014400. Its totient is φ = 3191584916352.

The previous prime is 11202120000943. The next prime is 11202120001019. The reversal of 11202120001002 is 20010002120211.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 854530024 + ... + 854543132.

It is an arithmetic number, because the mean of its divisors is an integer number (272245406400).

Almost surely, 2^{11202120001002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11202120001002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13067779507200).

11202120001002 is an abundant number, since it is smaller than the sum of its proper divisors (14933439013398).

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

11202120001002 is a wasteful number, since it uses less digits than its factorization.

11202120001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21100 (or 21093 counting only the distinct ones).

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

Adding to 11202120001002 its reverse (20010002120211), we get a palindrome (31212122121213).

The spelling of 11202120001002 in words is "eleven trillion, two hundred two billion, one hundred twenty million, one thousand, two".