11222220101222 has 12 divisors (see below), whose sum is σ = 18227807206380. Its totient is φ = 5179486200408.

The previous prime is 11222220101221. The next prime is 11222220101243. The reversal of 11222220101222 is 22210102222211.

It is a super-2 number, since 2×11222220101222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222220101194 and 11222220101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222220101221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16600916972 + ... + 16600917647.

It is an arithmetic number, because the mean of its divisors is an integer number (1518983933865).

Almost surely, 2^{11222220101222} is an apocalyptic number.

11222220101222 is a deficient number, since it is larger than the sum of its proper divisors (7005587105158).

11222220101222 is a wasteful number, since it uses less digits than its factorization.

11222220101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33201834647 (or 33201834634 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11222220101222 its reverse (22210102222211), we get a palindrome (33432322323433).

The spelling of 11222220101222 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, one hundred one thousand, two hundred twenty-two".