111102212111022 has 96 divisors (see below), whose sum is σ = 276843947986944. Its totient is φ = 31888074772800.

The previous prime is 111102212111003. The next prime is 111102212111029. The reversal of 111102212111022 is 220111212201111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111102212110986 and 111102212111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102212111029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192272353 + ... + 192849324.

It is an arithmetic number, because the mean of its divisors is an integer number (2883791124864).

Almost surely, 2^{111102212111022} is an apocalyptic number.

111102212111022 is an abundant number, since it is smaller than the sum of its proper divisors (165741735875922).

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

111102212111022 is a wasteful number, since it uses less digits than its factorization.

111102212111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385121774 (or 385121771 counting only the distinct ones).

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

Adding to 111102212111022 its reverse (220111212201111), we get a palindrome (331213424312133).

The spelling of 111102212111022 in words is "one hundred eleven trillion, one hundred two billion, two hundred twelve million, one hundred eleven thousand, twenty-two".