1200111200201 has 4 divisors (see below), whose sum is σ = 1263274947600. Its totient is φ = 1136947452804.

The previous prime is 1200111200153. The next prime is 1200111200237. The reversal of 1200111200201 is 1020021110021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200111200201 - 2⁶ = 1200111200137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200111203201) 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, 31581873671 + ... + 31581873708.

It is an arithmetic number, because the mean of its divisors is an integer number (315818736900).

Almost surely, 2^{1200111200201} is an apocalyptic number.

It is an amenable number.

1200111200201 is a deficient number, since it is larger than the sum of its proper divisors (63163747399).

1200111200201 is an equidigital number, since it uses as much as digits as its factorization.

1200111200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63163747398.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200111200201 its reverse (1020021110021), we get a palindrome (2220132310222).

The spelling of 1200111200201 in words is "one trillion, two hundred billion, one hundred eleven million, two hundred thousand, two hundred one".