111002122020222 has 96 divisors (see below), whose sum is σ = 247178570550912. Its totient is φ = 35984383959552.

The previous prime is 111002122020221. The next prime is 111002122020239. The reversal of 111002122020222 is 222020221200111.

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 = 111002122020195 and 111002122020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002122020221) 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, 132411778 + ... + 133247450.

It is an arithmetic number, because the mean of its divisors is an integer number (2574776776572).

Almost surely, 2^{111002122020222} is an apocalyptic number.

111002122020222 is an abundant number, since it is smaller than the sum of its proper divisors (136176448530690).

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

111002122020222 is a wasteful number, since it uses less digits than its factorization.

111002122020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836722 (or 836719 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111002122020222 its reverse (222020221200111), we get a palindrome (333022343220333).

The spelling of 111002122020222 in words is "one hundred eleven trillion, two billion, one hundred twenty-two million, twenty thousand, two hundred twenty-two".