1011231310200 has 96 divisors (see below), whose sum is σ = 3145516642800. Its totient is φ = 268741288960.

The previous prime is 1011231310171. The next prime is 1011231310207. The reversal of 1011231310200 is 20131321101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1011231310200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011231310207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2700285 + ... + 3051884.

Almost surely, 2^{1011231310200} is an apocalyptic number.

1011231310200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011231310200 is an abundant number, since it is smaller than the sum of its proper divisors (2134285332600).

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

1011231310200 is a wasteful number, since it uses less digits than its factorization.

1011231310200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752481 (or 5752472 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1011231310200 its reverse (20131321101), we get a palindrome (1031362631301).

The spelling of 1011231310200 in words is "one trillion, eleven billion, two hundred thirty-one million, three hundred ten thousand, two hundred".