11222011211222 has 8 divisors (see below), whose sum is σ = 19237733504976. Its totient is φ = 4809433376232.

The previous prime is 11222011211149. The next prime is 11222011211251. The reversal of 11222011211222 is 22211211022211.

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 = 11222011211194 and 11222011211203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400786114673 + ... + 400786114700.

It is an arithmetic number, because the mean of its divisors is an integer number (2404716688122).

Almost surely, 2^{11222011211222} is an apocalyptic number.

11222011211222 is a deficient number, since it is larger than the sum of its proper divisors (8015722293754).

11222011211222 is an equidigital number, since it uses as much as digits as its factorization.

11222011211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801572229382.

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

Adding to 11222011211222 its reverse (22211211022211), we get a palindrome (33433222233433).

The spelling of 11222011211222 in words is "eleven trillion, two hundred twenty-two billion, eleven million, two hundred eleven thousand, two hundred twenty-two".