1020011110200 has 144 divisors (see below), whose sum is σ = 3536038708800. Its totient is φ = 263228659200.

The previous prime is 1020011110189. The next prime is 1020011110259. The reversal of 1020011110200 is 20111100201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9084085 + ... + 9195684.

Almost surely, 2^{1020011110200} is an apocalyptic number.

1020011110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020011110200 is an abundant number, since it is smaller than the sum of its proper divisors (2516027598600).

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

1020011110200 is a wasteful number, since it uses less digits than its factorization.

1020011110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18279822 (or 18279810 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1020011110200 its reverse (20111100201), we get a palindrome (1040122210401).

Subtracting from 1020011110200 its reverse (20111100201), we obtain a palindrome (999900009999).

It can be divided in two parts, 102001 and 1110200, that added together give a square (1212201 = 1101²).

The spelling of 1020011110200 in words is "one trillion, twenty billion, eleven million, one hundred ten thousand, two hundred".