11220012212222 has 32 divisors (see below), whose sum is σ = 20463180180480. Its totient is φ = 4547373367680.

The previous prime is 11220012212197. The next prime is 11220012212237. The reversal of 11220012212222 is 22221221002211.

It is a junction number, because it is equal to n+sod(n) for n = 11220012212194 and 11220012212203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789467438 + ... + 789481649.

It is an arithmetic number, because the mean of its divisors is an integer number (639474380640).

Almost surely, 2^{11220012212222} is an apocalyptic number.

11220012212222 is a deficient number, since it is larger than the sum of its proper divisors (9243167968258).

11220012212222 is a wasteful number, since it uses less digits than its factorization.

11220012212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578949136.

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

Adding to 11220012212222 its reverse (22221221002211), we get a palindrome (33441233214433).

The spelling of 11220012212222 in words is "eleven trillion, two hundred twenty billion, twelve million, two hundred twelve thousand, two hundred twenty-two".