1101333231201 has 16 divisors (see below), whose sum is σ = 1678238383104. Its totient is φ = 629327156304.

The previous prime is 1101333231197. The next prime is 1101333231247. The reversal of 1101333231201 is 1021323331011.

It is a happy number.

It is not a de Polignac number, because 1101333231201 - 2² = 1101333231197 is a prime.

It is a super-2 number, since 2×1101333231201² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1101333231301) 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 15 ways as a sum of consecutive naturals, for example, 2817556 + ... + 3184538.

It is an arithmetic number, because the mean of its divisors is an integer number (104889898944).

Almost surely, 2^{1101333231201} is an apocalyptic number.

It is an amenable number.

1101333231201 is a deficient number, since it is larger than the sum of its proper divisors (576905151903).

1101333231201 is a wasteful number, since it uses less digits than its factorization.

1101333231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509900.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1101333231201 its reverse (1021323331011), we get a palindrome (2122656562212).

The spelling of 1101333231201 in words is "one trillion, one hundred one billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred one".