11211002022 has 64 divisors (see below), whose sum is σ = 26073907200. Its totient is φ = 3177701280.

The previous prime is 11211002017. The next prime is 11211002081. The reversal of 11211002022 is 22020011211.

It is a junction number, because it is equal to n+sod(n) for n = 11211001989 and 11211002007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42483 + ... + 155649.

It is an arithmetic number, because the mean of its divisors is an integer number (407404800).

Almost surely, 2^11211002022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211002022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13036953600).

11211002022 is an abundant number, since it is smaller than the sum of its proper divisors (14862905178).

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

11211002022 is a wasteful number, since it uses less digits than its factorization.

11211002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113281.

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

Adding to 11211002022 its reverse (22020011211), we get a palindrome (33231013233).

The spelling of 11211002022 in words is "eleven billion, two hundred eleven million, two thousand, twenty-two".