111102210020000 has 60 divisors (see below), whose sum is σ = 273328102029906. Its totient is φ = 44440884000000.

The previous prime is 111102210019993. The next prime is 111102210020101. The reversal of 111102210020000 is 20012201111.

It can be written as a sum of positive squares in 5 ways, for example, as 21809310961936 + 89292899058064 = 4670044^2 + 9449492^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 2777535251 + ... + 2777575250.

Almost surely, 2^{111102210020000} is an apocalyptic number.

111102210020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102210020000 is an abundant number, since it is smaller than the sum of its proper divisors (162225892009906).

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

111102210020000 is an frugal number, since it uses more digits than its factorization.

111102210020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555110531 (or 5555110508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111102210020000 its reverse (20012201111), we get a palindrome (111122222221111).

The spelling of 111102210020000 in words is "one hundred eleven trillion, one hundred two billion, two hundred ten million, twenty thousand".