11112112211022 has 12 divisors (see below), whose sum is σ = 24076243123920. Its totient is φ = 3704037403668.

The previous prime is 11112112211021. The next prime is 11112112211027. The reversal of 11112112211022 is 22011221121111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 617339567279 = 11112112211022 / (1 + 1 + 1 + 1 + 2 + 1 + 1 + 2 + 2 + 1 + 1 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 11112112210986 and 11112112211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112112211021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308669783622 + ... + 308669783657.

It is an arithmetic number, because the mean of its divisors is an integer number (2006353593660).

Almost surely, 2^{11112112211022} is an apocalyptic number.

11112112211022 is an abundant number, since it is smaller than the sum of its proper divisors (12964130912898).

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

11112112211022 is a wasteful number, since it uses less digits than its factorization.

11112112211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617339567287 (or 617339567284 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11112112211022 its reverse (22011221121111), we get a palindrome (33123333332133).

It can be divided in two parts, 1111211 and 2211022, that added together give a palindrome (3322233).

The spelling of 11112112211022 in words is "eleven trillion, one hundred twelve billion, one hundred twelve million, two hundred eleven thousand, twenty-two".