2211022011222 has 48 divisors (see below), whose sum is σ = 5216567382000. Its totient is φ = 674141009472.

The previous prime is 2211022011199. The next prime is 2211022011229. The reversal of 2211022011222 is 2221102201122.

It is a happy number.

2211022011222 is a `hidden beast` number, since 2 + 211 + 0 + 220 + 11 + 222 = 666.

2211022011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2211022011195 and 2211022011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211022011229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111455197 + ... + 111475032.

It is an arithmetic number, because the mean of its divisors is an integer number (108678487125).

Almost surely, 2^{2211022011222} is an apocalyptic number.

2211022011222 is an abundant number, since it is smaller than the sum of its proper divisors (3005545370778).

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

2211022011222 is a wasteful number, since it uses less digits than its factorization.

2211022011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222930285 (or 222930282 counting only the distinct ones).

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

Adding to 2211022011222 its reverse (2221102201122), we get a palindrome (4432124212344).

It can be divided in two parts, 221102201122 and 2, that multiplied together give a palindrome (442204402244).

The spelling of 2211022011222 in words is "two trillion, two hundred eleven billion, twenty-two million, eleven thousand, two hundred twenty-two".