11022111222112 has 12 divisors (see below), whose sum is σ = 21699781468596. Its totient is φ = 5511055611040.

The previous prime is 11022111222061. The next prime is 11022111222131. The reversal of 11022111222112 is 21122211122011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022111222112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172220487814 + ... + 172220487877.

It is an arithmetic number, because the mean of its divisors is an integer number (1808315122383).

Almost surely, 2^{11022111222112} is an apocalyptic number.

It is an amenable number.

11022111222112 is a deficient number, since it is larger than the sum of its proper divisors (10677670246484).

11022111222112 is an equidigital number, since it uses as much as digits as its factorization.

11022111222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344440975701 (or 344440975693 counting only the distinct ones).

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

Adding to 11022111222112 its reverse (21122211122011), we get a palindrome (32144322344123).

The spelling of 11022111222112 in words is "eleven trillion, twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twelve".