11012021222 has 4 divisors (see below), whose sum is σ = 16518031836. Its totient is φ = 5506010610.

The previous prime is 11012021219. The next prime is 11012021233. The reversal of 11012021222 is 22212021011.

11012021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22212021011 = 29 ⋅765931759.

It is a super-2 number, since 2×11012021222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012021197 and 11012021206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753005304 + ... + 2753005307.

It is an arithmetic number, because the mean of its divisors is an integer number (4129507959).

Almost surely, 2^11012021222 is an apocalyptic number.

11012021222 is a deficient number, since it is larger than the sum of its proper divisors (5506010614).

11012021222 is an equidigital number, since it uses as much as digits as its factorization.

11012021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506010613.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11012021222 its reverse (22212021011), we get a palindrome (33224042233).

The spelling of 11012021222 in words is "eleven billion, twelve million, twenty-one thousand, two hundred twenty-two".