111000011222100 has 1152 divisors, whose sum is σ = 447251438075904. Its totient is φ = 20509977600000.

The previous prime is 111000011222053. The next prime is 111000011222101. The reversal of 111000011222100 is 1222110000111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000011222101) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1122171645 + ... + 1122270555.

It is an arithmetic number, because the mean of its divisors is an integer number (388239095552).

Almost surely, 2^{111000011222100} is an apocalyptic number.

111000011222100 is a gapful number since it is divisible by the number (10) 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 111000011222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223625719037952).

111000011222100 is an abundant number, since it is smaller than the sum of its proper divisors (336251426853804).

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

111000011222100 is a wasteful number, since it uses less digits than its factorization.

111000011222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99097 (or 99090 counting only the distinct ones).

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

Adding to 111000011222100 its reverse (1222110000111), we get a palindrome (112222121222211).

It can be divided in two parts, 111000011 and 222100, that added together give a palindrome (111222111).

The spelling of 111000011222100 in words is "one hundred eleven trillion, eleven million, two hundred twenty-two thousand, one hundred".