111022022221002 has 40 divisors (see below), whose sum is σ = 251053876316100. Its totient is φ = 36667823846976.

The previous prime is 111022022220929. The next prime is 111022022221003. The reversal of 111022022221002 is 200122220220111.

It is a happy number.

111022022221002 is a `hidden beast` number, since 1 + 1 + 10 + 220 + 222 + 210 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104176949437521 + 6845072783481 = 10206711^2 + 2616309^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111022022221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3143657227 + ... + 3143692542.

Almost surely, 2^{111022022221002} is an apocalyptic number.

111022022221002 is an abundant number, since it is smaller than the sum of its proper divisors (140031854095098).

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

111022022221002 is a wasteful number, since it uses less digits than its factorization.

111022022221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287349892 (or 6287349883 counting only the distinct ones).

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

Adding to 111022022221002 its reverse (200122220220111), we get a palindrome (311144242441113).

The spelling of 111022022221002 in words is "one hundred eleven trillion, twenty-two billion, twenty-two million, two hundred twenty-one thousand, two".