111122000022 has 64 divisors (see below), whose sum is σ = 247600903680. Its totient is φ = 32965152000.

The previous prime is 111122000021. The next prime is 111122000027. The reversal of 111122000022 is 220000221111.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111121999971 and 111122000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122000021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499623 + ... + 686925.

It is an arithmetic number, because the mean of its divisors is an integer number (3868764120).

Almost surely, 2^111122000022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111122000022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123800451840).

111122000022 is an abundant number, since it is smaller than the sum of its proper divisors (136478903658).

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

111122000022 is a wasteful number, since it uses less digits than its factorization.

111122000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187509.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111122000022 its reverse (220000221111), we get a palindrome (331122221133).

Subtracting 111122000022 from its reverse (220000221111), we obtain a square (108878221089 = 329967²).

It can be divided in two parts, 1111 and 22000022, that multiplied together give a palindrome (24442024442).

The spelling of 111122000022 in words is "one hundred eleven billion, one hundred twenty-two million, twenty-two", and thus it is an aban number.