111230122000 has 80 divisors (see below), whose sum is σ = 270080928000. Its totient is φ = 44305699200.

The previous prime is 111230121979. The next prime is 111230122051. The reversal of 111230122000 is 221032111.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361651 + ... + 594349.

It is an arithmetic number, because the mean of its divisors is an integer number (3376011600).

Almost surely, 2^111230122000 is an apocalyptic number.

111230122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111230122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135040464000).

111230122000 is an abundant number, since it is smaller than the sum of its proper divisors (158850806000).

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

111230122000 is a wasteful number, since it uses less digits than its factorization.

111230122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232961 (or 232945 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 111230122000 its reverse (221032111), we get a palindrome (111451154111).

The spelling of 111230122000 in words is "one hundred eleven billion, two hundred thirty million, one hundred twenty-two thousand".