111222122000 has 80 divisors (see below), whose sum is σ = 293383793664. Its totient is φ = 40444400000.

The previous prime is 111222121987. The next prime is 111222122009. The reversal of 111222122000 is 221222111.

111222122000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (111222122009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505776 + ... + 2549775.

Almost surely, 2^111222122000 is an apocalyptic number.

111222122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222122000 is an abundant number, since it is smaller than the sum of its proper divisors (182161671664).

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

111222122000 is a wasteful number, since it uses less digits than its factorization.

111222122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055585 (or 5055569 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111222122000 its reverse (221222111), we get a palindrome (111443344111).

The spelling of 111222122000 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred twenty-two thousand".