111100122210000 has 1600 divisors, whose sum is σ = 466167361093632. Its totient is φ = 22118400000000.

The previous prime is 111100122209957. The next prime is 111100122210037. The reversal of 111100122210000 is 12221001111.

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 319 ways as a sum of consecutive naturals, for example, 7232602320 + ... + 7232617680.

Almost surely, 2^{111100122210000} is an apocalyptic number.

111100122210000 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 111100122210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233083680546816).

111100122210000 is an abundant number, since it is smaller than the sum of its proper divisors (355067238883632).

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

111100122210000 is a wasteful number, since it uses less digits than its factorization.

111100122210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542 (or 15521 counting only the distinct ones).

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

Adding to 111100122210000 its reverse (12221001111), we get a palindrome (111112343211111).

It can be divided in two parts, 11 and 1100122210000, that added together give a palindrome (1100122210011).

The spelling of 111100122210000 in words is "one hundred eleven trillion, one hundred billion, one hundred twenty-two million, two hundred ten thousand".