220100001111100 has 144 divisors (see below), whose sum is σ = 545303846820096. Its totient is φ = 76329348480000.

The previous prime is 220100001111059. The next prime is 220100001111101. The reversal of 220100001111100 is 1111100001022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100001111101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4381326 + ... + 21433525.

It is an arithmetic number, because the mean of its divisors is an integer number (3786832269584).

Almost surely, 2^{220100001111100} is an apocalyptic number.

220100001111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220100001111100 is an abundant number, since it is smaller than the sum of its proper divisors (325203845708996).

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

220100001111100 is a wasteful number, since it uses less digits than its factorization.

220100001111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25815236 (or 25815229 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 220100001111100 its reverse (1111100001022), we get a palindrome (221211101112122).

The spelling of 220100001111100 in words is "two hundred twenty trillion, one hundred billion, one million, one hundred eleven thousand, one hundred".