11112221210222 has 64 divisors (see below), whose sum is σ = 18370353222144. Its totient is φ = 4999431815040.

The previous prime is 11112221210219. The next prime is 11112221210263. The reversal of 11112221210222 is 22201212221111.

It is a junction number, because it is equal to n+sod(n) for n = 11112221210194 and 11112221210203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967704893 + ... + 967716375.

It is an arithmetic number, because the mean of its divisors is an integer number (287036769096).

Almost surely, 2^{11112221210222} is an apocalyptic number.

11112221210222 is a deficient number, since it is larger than the sum of its proper divisors (7258132011922).

11112221210222 is a wasteful number, since it uses less digits than its factorization.

11112221210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713.

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

Adding to 11112221210222 its reverse (22201212221111), we get a palindrome (33313433431333).

The spelling of 11112221210222 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty-two".