220111122000 has 640 divisors, whose sum is σ = 887939739648. Its totient is φ = 45572352000.

The previous prime is 220111121999. The next prime is 220111122041. The reversal of 220111122000 is 221111022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 160313314 + ... + 160314686.

Almost surely, 2^220111122000 is an apocalyptic number.

220111122000 is a gapful number since it is divisible by the number (20) 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 220111122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443969869824).

220111122000 is an abundant number, since it is smaller than the sum of its proper divisors (667828617648).

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

220111122000 is a wasteful number, since it uses less digits than its factorization.

220111122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764 (or 1748 counting only the distinct ones).

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

Adding to 220111122000 its reverse (221111022), we get a palindrome (220332233022).

The spelling of 220111122000 in words is "two hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand".