1200201211103 has 4 divisors (see below), whose sum is σ = 1200203402400. Its totient is φ = 1200199019808.

The previous prime is 1200201211087. The next prime is 1200201211177. The reversal of 1200201211103 is 3011121020021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1200201211103 - 2⁴ = 1200201211087 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 (1200201214103) 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, 524426 + ... + 1635672.

It is an arithmetic number, because the mean of its divisors is an integer number (300050850600).

Almost surely, 2^{1200201211103} is an apocalyptic number.

1200201211103 is a deficient number, since it is larger than the sum of its proper divisors (2191297).

1200201211103 is a wasteful number, since it uses less digits than its factorization.

1200201211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191296.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1200201211103 its reverse (3011121020021), we get a palindrome (4211322231124).

The spelling of 1200201211103 in words is "one trillion, two hundred billion, two hundred one million, two hundred eleven thousand, one hundred three".