111020201002000 has 80 divisors (see below), whose sum is σ = 268535662117632. Its totient is φ = 44393387913600.

The previous prime is 111020201001989. The next prime is 111020201002111. The reversal of 111020201002000 is 200102020111.

111020201002000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 3135294 + ... + 15227293.

Almost surely, 2^{111020201002000} is an apocalyptic number.

111020201002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020201002000 is an abundant number, since it is smaller than the sum of its proper divisors (157515461115632).

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

111020201002000 is a wasteful number, since it uses less digits than its factorization.

111020201002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18365633 (or 18365617 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111020201002000 its reverse (200102020111), we get a palindrome (111220303022111).

The spelling of 111020201002000 in words is "one hundred eleven trillion, twenty billion, two hundred one million, two thousand".