220111121000010 has 128 divisors (see below), whose sum is σ = 541486926249984. Its totient is φ = 57232155859200.

The previous prime is 220111121000009. The next prime is 220111121000093. The reversal of 220111121000010 is 10000121111022.

It is a self number, because there is not a number n which added to its sum of digits gives 220111121000010.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3135138327 + ... + 3135208533.

It is an arithmetic number, because the mean of its divisors is an integer number (4230366611328).

Almost surely, 2^{220111121000010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220111121000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270743463124992).

220111121000010 is an abundant number, since it is smaller than the sum of its proper divisors (321375805249974).

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

220111121000010 is a wasteful number, since it uses less digits than its factorization.

220111121000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74428.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220111121000010 its reverse (10000121111022), we get a palindrome (230111242111032).

The spelling of 220111121000010 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-one million, ten", and thus it is an aban number.