111101002221000 has 384 divisors, whose sum is σ = 384711441004800. Its totient is φ = 26672076288000.

The previous prime is 111101002220983. The next prime is 111101002221007. The reversal of 111101002221000 is 122200101111.

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

It is not an unprimeable number, because it can be changed into a prime (111101002221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35903256 + ... + 38874744.

It is an arithmetic number, because the mean of its divisors is an integer number (1001852710950).

Almost surely, 2^{111101002221000} is an apocalyptic number.

111101002221000 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 111101002221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192355720502400).

111101002221000 is an abundant number, since it is smaller than the sum of its proper divisors (273610438783800).

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

111101002221000 is a wasteful number, since it uses less digits than its factorization.

111101002221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971638 (or 2971613 counting only the distinct ones).

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

Adding to 111101002221000 its reverse (122200101111), we get a palindrome (111223202322111).

The spelling of 111101002221000 in words is "one hundred eleven trillion, one hundred one billion, two million, two hundred twenty-one thousand".