220100111140 has 96 divisors (see below), whose sum is σ = 570160362240. Its totient is φ = 69500560896.

The previous prime is 220100111093. The next prime is 220100111141. The reversal of 220100111140 is 41111001022.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 220100111140.

It is not an unprimeable number, because it can be changed into a prime (220100111141) 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, 669766 + ... + 942754.

It is an arithmetic number, because the mean of its divisors is an integer number (5939170440).

Almost surely, 2^220100111140 is an apocalyptic number.

220100111140 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 220100111140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285080181120).

220100111140 is an abundant number, since it is smaller than the sum of its proper divisors (350060251100).

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

220100111140 is a wasteful number, since it uses less digits than its factorization.

220100111140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273461 (or 273459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220100111140 its reverse (41111001022), we get a palindrome (261211112162).

The spelling of 220100111140 in words is "two hundred twenty billion, one hundred million, one hundred eleven thousand, one hundred forty".