1121233201031 has 4 divisors (see below), whose sum is σ = 1121239196352. Its totient is φ = 1121227205712.

The previous prime is 1121233201021. The next prime is 1121233201057. The reversal of 1121233201031 is 1301023321211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1121233201031 - 2¹⁰ = 1121233200007 is a prime.

It is a super-2 number, since 2×1121233201031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121233200994 and 1121233201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121233201021) 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, 2707790 + ... + 3094283.

It is an arithmetic number, because the mean of its divisors is an integer number (280309799088).

Almost surely, 2^{1121233201031} is an apocalyptic number.

1121233201031 is a deficient number, since it is larger than the sum of its proper divisors (5995321).

1121233201031 is an equidigital number, since it uses as much as digits as its factorization.

1121233201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995320.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1121233201031 its reverse (1301023321211), we get a palindrome (2422256522242).

The spelling of 1121233201031 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred one thousand, thirty-one".