11211233202 has 144 divisors (see below), whose sum is σ = 27970645248. Its totient is φ = 3232719360.

The previous prime is 11211233197. The next prime is 11211233207. The reversal of 11211233202 is 20233211211.

It is an interprime number because it is at equal distance from previous prime (11211233197) and next prime (11211233207).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11211233207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22288483 + ... + 22288985.

It is an arithmetic number, because the mean of its divisors is an integer number (194240592).

Almost surely, 2^11211233202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211233202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13985322624).

11211233202 is an abundant number, since it is smaller than the sum of its proper divisors (16759412046).

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

11211233202 is a wasteful number, since it uses less digits than its factorization.

11211233202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11211233202 its reverse (20233211211), we get a palindrome (31444444413).

The spelling of 11211233202 in words is "eleven billion, two hundred eleven million, two hundred thirty-three thousand, two hundred two".