2111021222 has 8 divisors (see below), whose sum is σ = 3167350776. Its totient is φ = 1055237632.

The previous prime is 2111021221. The next prime is 2111021279. The reversal of 2111021222 is 2221201112.

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 = 2111021197 and 2111021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111021221) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 126683 + ... + 142374.

It is an arithmetic number, because the mean of its divisors is an integer number (395918847).

Almost surely, 2^2111021222 is an apocalyptic number.

2111021222 is a deficient number, since it is larger than the sum of its proper divisors (1056329554).

2111021222 is a wasteful number, since it uses less digits than its factorization.

2111021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272982.

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

The square root of 2111021222 is about 45945.8509769925. The cubic root of 2111021222 is about 1282.8155028858.

Adding to 2111021222 its reverse (2221201112), we get a palindrome (4332222334).

The spelling of 2111021222 in words is "two billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".