11111122102222 has 16 divisors (see below), whose sum is σ = 17611464867840. Its totient is φ = 5246748905112.

The previous prime is 11111122102219. The next prime is 11111122102229. The reversal of 11111122102222 is 22220122111111.

It is a happy number.

11111122102222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11111122102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111122102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528769358 + ... + 1528776625.

It is an arithmetic number, because the mean of its divisors is an integer number (1100716554240).

Almost surely, 2^{11111122102222} is an apocalyptic number.

11111122102222 is a deficient number, since it is larger than the sum of its proper divisors (6500342765618).

11111122102222 is a wasteful number, since it uses less digits than its factorization.

11111122102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057546087.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11111122102222 its reverse (22220122111111), we get a palindrome (33331244213333).

The spelling of 11111122102222 in words is "eleven trillion, one hundred eleven billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty-two".