1120201221001 has 4 divisors (see below), whose sum is σ = 1120242136132. Its totient is φ = 1120160305872.

The previous prime is 1120201220993. The next prime is 1120201221047. The reversal of 1120201221001 is 1001221020211.

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 986207886400 + 133993334601 = 993080^2 + 366051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120201221001 - 2³ = 1120201220993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120201221101) 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, 20416470 + ... + 20471263.

It is an arithmetic number, because the mean of its divisors is an integer number (280060534033).

Almost surely, 2^{1120201221001} is an apocalyptic number.

It is an amenable number.

1120201221001 is a deficient number, since it is larger than the sum of its proper divisors (40915131).

1120201221001 is an equidigital number, since it uses as much as digits as its factorization.

1120201221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40915130.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1120201221001 its reverse (1001221020211), we get a palindrome (2121422241212).

The spelling of 1120201221001 in words is "one trillion, one hundred twenty billion, two hundred one million, two hundred twenty-one thousand, one".