1200111100201 has 8 divisors (see below), whose sum is σ = 1348619832000. Its totient is φ = 1059629867472.

The previous prime is 1200111100189. The next prime is 1200111100213. The reversal of 1200111100201 is 1020011110021.

It is an interprime number because it is at equal distance from previous prime (1200111100189) and next prime (1200111100213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200111100201 - 2¹⁷ = 1200110969129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200111110201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006874451 + ... + 2006875048.

It is an arithmetic number, because the mean of its divisors is an integer number (168577479000).

Almost surely, 2^{1200111100201} is an apocalyptic number.

It is an amenable number.

1200111100201 is a deficient number, since it is larger than the sum of its proper divisors (148508731799).

1200111100201 is a wasteful number, since it uses less digits than its factorization.

1200111100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013749535.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1200111100201 its reverse (1020011110021), we get a palindrome (2220122210222).

It can be divided in two parts, 120011110020 and 1, that added together give a palindrome (120011110021).

The spelling of 1200111100201 in words is "one trillion, two hundred billion, one hundred eleven million, one hundred thousand, two hundred one".