1122222110202 has 96 divisors (see below), whose sum is σ = 2608328932560. Its totient is φ = 347467161600.

The previous prime is 1122222110197. The next prime is 1122222110209. The reversal of 1122222110202 is 2020112222211.

It is a happy number.

1122222110202 is a `hidden beast` number, since 11 + 222 + 221 + 10 + 202 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 379159146081 + 743062964121 = 615759^2 + 862011^2 .

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 (1122222110209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9615574 + ... + 9731582.

Almost surely, 2^{1122222110202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122222110202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1304164466280).

1122222110202 is an abundant number, since it is smaller than the sum of its proper divisors (1486106822358).

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

1122222110202 is a wasteful number, since it uses less digits than its factorization.

1122222110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116448 (or 116445 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122222110202 its reverse (2020112222211), we get a palindrome (3142334332413).

The spelling of 1122222110202 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, two hundred two".