111200201001020 has 24 divisors (see below), whose sum is σ = 233577392370000. Its totient is φ = 44469228920832.

The previous prime is 111200201001017. The next prime is 111200201001059. The reversal of 111200201001020 is 20100102002111.

It is a junction number, because it is equal to n+sod(n) for n = 111200201000992 and 111200201001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678133445 + ... + 678297404.

It is an arithmetic number, because the mean of its divisors is an integer number (9732391348750).

Almost surely, 2^{111200201001020} is an apocalyptic number.

111200201001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200201001020 is an abundant number, since it is smaller than the sum of its proper divisors (122377191368980).

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

111200201001020 is a wasteful number, since it uses less digits than its factorization.

111200201001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356434957 (or 1356434955 counting only the distinct ones).

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

Adding to 111200201001020 its reverse (20100102002111), we get a palindrome (131300303003131).

The spelling of 111200201001020 in words is "one hundred eleven trillion, two hundred billion, two hundred one million, one thousand, twenty".