1001200201103 has 4 divisors (see below), whose sum is σ = 1003256054160. Its totient is φ = 999144348048.

The previous prime is 1001200201087. The next prime is 1001200201117. The reversal of 1001200201103 is 3011020021001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001200201103 - 2⁴ = 1001200201087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001200207103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027925798 + ... + 1027926771.

It is an arithmetic number, because the mean of its divisors is an integer number (250814013540).

Almost surely, 2^{1001200201103} is an apocalyptic number.

1001200201103 is a deficient number, since it is larger than the sum of its proper divisors (2055853057).

1001200201103 is an equidigital number, since it uses as much as digits as its factorization.

1001200201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055853056.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1001200201103 its reverse (3011020021001), we get a palindrome (4012220222104).

The spelling of 1001200201103 in words is "one trillion, one billion, two hundred million, two hundred one thousand, one hundred three".