11122112220222 has 16 divisors (see below), whose sum is σ = 22330777846032. Its totient is φ = 3692945172480.

The previous prime is 11122112220221. The next prime is 11122112220229. The reversal of 11122112220222 is 22202221122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122112220221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3606390229 + ... + 3606393312.

It is an arithmetic number, because the mean of its divisors is an integer number (1395673615377).

Almost surely, 2^{11122112220222} is an apocalyptic number.

11122112220222 is an abundant number, since it is smaller than the sum of its proper divisors (11208665625810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11122112220222 is a wasteful number, since it uses less digits than its factorization.

11122112220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212783803.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11122112220222 its reverse (22202221122111), we get a palindrome (33324333342333).

The spelling of 11122112220222 in words is "eleven trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty-two".