11021012022222 has 24 divisors (see below), whose sum is σ = 24702268326840. Its totient is φ = 3546992374800.

The previous prime is 11021012022203. The next prime is 11021012022247. The reversal of 11021012022222 is 22222021012011.

It is a happy number.

11021012022222 is a `hidden beast` number, since 110 + 210 + 120 + 2 + 2 + 222 = 666.

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 = 11021012022195 and 11021012022204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10556524404 + ... + 10556525447.

It is an arithmetic number, because the mean of its divisors is an integer number (1029261180285).

Almost surely, 2^{11021012022222} is an apocalyptic number.

11021012022222 is an abundant number, since it is smaller than the sum of its proper divisors (13681256304618).

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

11021012022222 is a wasteful number, since it uses less digits than its factorization.

11021012022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21113049888 (or 21113049885 counting only the distinct ones).

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

Adding to 11021012022222 its reverse (22222021012011), we get a palindrome (33243033034233).

The spelling of 11021012022222 in words is "eleven trillion, twenty-one billion, twelve million, twenty-two thousand, two hundred twenty-two".