1200111133033 has 4 divisors (see below), whose sum is σ = 1200437519940. Its totient is φ = 1199784746128.

The previous prime is 1200111133031. The next prime is 1200111133063. The reversal of 1200111133033 is 3303311110021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 416227554649 + 783883578384 = 645157^2 + 885372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200111133033 - 2¹ = 1200111133031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200111133033.

It is not an unprimeable number, because it can be changed into a prime (1200111133031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163187938 + ... + 163195291.

It is an arithmetic number, because the mean of its divisors is an integer number (300109379985).

Almost surely, 2^{1200111133033} is an apocalyptic number.

It is an amenable number.

1200111133033 is a deficient number, since it is larger than the sum of its proper divisors (326386907).

1200111133033 is an equidigital number, since it uses as much as digits as its factorization.

1200111133033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326386906.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1200111133033 its reverse (3303311110021), we get a palindrome (4503422243054).

The spelling of 1200111133033 in words is "one trillion, two hundred billion, one hundred eleven million, one hundred thirty-three thousand, thirty-three".