111022220148 has 96 divisors (see below), whose sum is σ = 303984710400. Its totient is φ = 30875074560.

The previous prime is 111022220147. The next prime is 111022220149. The reversal of 111022220148 is 841022220111.

It is a happy number.

111022220148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111022220147) and next prime (111022220149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022220147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1454028 + ... + 1528476.

It is an arithmetic number, because the mean of its divisors is an integer number (3166507400).

Almost surely, 2^111022220148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111022220148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151992355200).

111022220148 is an abundant number, since it is smaller than the sum of its proper divisors (192962490252).

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

111022220148 is a wasteful number, since it uses less digits than its factorization.

111022220148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74937 (or 74935 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 111022220148 its reverse (841022220111), we get a palindrome (952044440259).

The spelling of 111022220148 in words is "one hundred eleven billion, twenty-two million, two hundred twenty thousand, one hundred forty-eight".