11212122022 has 8 divisors (see below), whose sum is σ = 16824991176. Its totient is φ = 5603791632.

The previous prime is 11212122007. The next prime is 11212122023. The reversal of 11212122022 is 22022121211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11212121987 and 11212122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212122023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128508 + ... + 1138399.

It is an arithmetic number, because the mean of its divisors is an integer number (2103123897).

Almost surely, 2^11212122022 is an apocalyptic number.

11212122022 is a deficient number, since it is larger than the sum of its proper divisors (5612869154).

11212122022 is a wasteful number, since it uses less digits than its factorization.

11212122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269382.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11212122022 its reverse (22022121211), we get a palindrome (33234243233).

The spelling of 11212122022 in words is "eleven billion, two hundred twelve million, one hundred twenty-two thousand, twenty-two".