11211120222112 has 48 divisors (see below), whose sum is σ = 22457424535560. Its totient is φ = 5508218253312.

The previous prime is 11211120222089. The next prime is 11211120222131. The reversal of 11211120222112 is 21122202111211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7085200534416 + 4125919687696 = 2661804^2 + 2031236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11211120222112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8292213 + ... + 9548980.

Almost surely, 2^{11211120222112} is an apocalyptic number.

It is an amenable number.

11211120222112 is an abundant number, since it is smaller than the sum of its proper divisors (11246304313448).

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

11211120222112 is a wasteful number, since it uses less digits than its factorization.

11211120222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841545 (or 17841537 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11211120222112 its reverse (21122202111211), we get a palindrome (32333322333323).

The spelling of 11211120222112 in words is "eleven trillion, two hundred eleven billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twelve".