11211021122222 has 8 divisors (see below), whose sum is σ = 17067524693736. Its totient is φ = 5521846224312.

The previous prime is 11211021122167. The next prime is 11211021122251. The reversal of 11211021122222 is 22222112011211.

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 = 11211021122194 and 11211021122203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41832168233 + ... + 41832168500.

It is an arithmetic number, because the mean of its divisors is an integer number (2133440586717).

Almost surely, 2^{11211021122222} is an apocalyptic number.

11211021122222 is a deficient number, since it is larger than the sum of its proper divisors (5856503571514).

11211021122222 is an equidigital number, since it uses as much as digits as its factorization.

11211021122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83664336802.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11211021122222 its reverse (22222112011211), we get a palindrome (33433133133433).

The spelling of 11211021122222 in words is "eleven trillion, two hundred eleven billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".