111102100201000 has 128 divisors (see below), whose sum is σ = 262563171586560. Its totient is φ = 43999284672000.

The previous prime is 111102100200979. The next prime is 111102100201019. The reversal of 111102100201000 is 102001201111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457301557 + ... + 457544443.

It is an arithmetic number, because the mean of its divisors is an integer number (2051274778020).

Almost surely, 2^{111102100201000} is an apocalyptic number.

111102100201000 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 111102100201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131281585793280).

111102100201000 is an abundant number, since it is smaller than the sum of its proper divisors (151461071385560).

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

111102100201000 is a wasteful number, since it uses less digits than its factorization.

111102100201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247452 (or 247438 counting only the distinct ones).

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

Adding to 111102100201000 its reverse (102001201111), we get a palindrome (111204101402111).

The spelling of 111102100201000 in words is "one hundred eleven trillion, one hundred two billion, one hundred million, two hundred one thousand".