11011211202222 has 96 divisors (see below), whose sum is σ = 30704072914944. Its totient is φ = 2767795012800.

The previous prime is 11011211202209. The next prime is 11011211202227. The reversal of 11011211202222 is 22220211211011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11011211202195 and 11011211202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011211202227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128095693 + ... + 128181624.

It is an arithmetic number, because the mean of its divisors is an integer number (319834092864).

Almost surely, 2^{11011211202222} is an apocalyptic number.

11011211202222 is an abundant number, since it is smaller than the sum of its proper divisors (19692861712722).

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

11011211202222 is a wasteful number, since it uses less digits than its factorization.

11011211202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256277374 (or 256277371 counting only the distinct ones).

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

Adding to 11011211202222 its reverse (22220211211011), we get a palindrome (33231422413233).

The spelling of 11011211202222 in words is "eleven trillion, eleven billion, two hundred eleven million, two hundred two thousand, two hundred twenty-two".