11022112002 has 64 divisors (see below), whose sum is σ = 25372362240. Its totient is φ = 3156940800.

The previous prime is 11022111977. The next prime is 11022112007. The reversal of 11022112002 is 20021122011.

It is not an unprimeable number, because it can be changed into a prime (11022112007) 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, 545602 + ... + 565442.

It is an arithmetic number, because the mean of its divisors is an integer number (396443160).

Almost surely, 2^11022112002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11022112002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12686181120).

11022112002 is an abundant number, since it is smaller than the sum of its proper divisors (14350250238).

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

11022112002 is a wasteful number, since it uses less digits than its factorization.

11022112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20319.

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

Adding to 11022112002 its reverse (20021122011), we get a palindrome (31043234013).

The spelling of 11022112002 in words is "eleven billion, twenty-two million, one hundred twelve thousand, two".