1001113221300 has 72 divisors (see below), whose sum is σ = 2945648445600. Its totient is φ = 262438715520.

The previous prime is 1001113221257. The next prime is 1001113221301. The reversal of 1001113221300 is 31223111001.

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 1001113221300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001113221301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28262335 + ... + 28297734.

Almost surely, 2^{1001113221300} is an apocalyptic number.

1001113221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001113221300 is an abundant number, since it is smaller than the sum of its proper divisors (1944535224300).

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

1001113221300 is a wasteful number, since it uses less digits than its factorization.

1001113221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56560145 (or 56560138 counting only the distinct ones).

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

Adding to 1001113221300 its reverse (31223111001), we get a palindrome (1032336332301).

The spelling of 1001113221300 in words is "one trillion, one billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred".