111022022020122 has 112 divisors (see below), whose sum is σ = 256155162697728. Its totient is φ = 36060624187200.

The previous prime is 111022022020103. The next prime is 111022022020153. The reversal of 111022022020122 is 221020220220111.

It is a happy number.

111022022020122 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 220 + 220 + 201 + 22 = 666.

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 = 111022022020095 and 111022022020104.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 2550247 + ... + 15117797.

It is an arithmetic number, because the mean of its divisors is an integer number (2287099666944).

Almost surely, 2^{111022022020122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111022022020122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128077581348864).

111022022020122 is an abundant number, since it is smaller than the sum of its proper divisors (145133140677606).

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

111022022020122 is an equidigital number, since it uses as much as digits as its factorization.

111022022020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12567727 (or 12567712 counting only the distinct ones).

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

Adding to 111022022020122 its reverse (221020220220111), we get a palindrome (332042242240233).

The spelling of 111022022020122 in words is "one hundred eleven trillion, twenty-two billion, twenty-two million, twenty thousand, one hundred twenty-two".