11122211210202 has 64 divisors (see below), whose sum is σ = 25073781759360. Its totient is φ = 3653817973632.

The previous prime is 11122211210111. The next prime is 11122211210207. The reversal of 11122211210202 is 20201211222111.

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 (11122211210207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4072828 + ... + 6231560.

It is an arithmetic number, because the mean of its divisors is an integer number (391777839990).

Almost surely, 2^{11122211210202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11122211210202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12536890879680).

11122211210202 is an abundant number, since it is smaller than the sum of its proper divisors (13951570549158).

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

11122211210202 is a wasteful number, since it uses less digits than its factorization.

11122211210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160124 (or 2160118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11122211210202 its reverse (20201211222111), we get a palindrome (31323422432313).

The spelling of 11122211210202 in words is "eleven trillion, one hundred twenty-two billion, two hundred eleven million, two hundred ten thousand, two hundred two".