1131030221201 has 8 divisors (see below), whose sum is σ = 1192070923680. Its totient is φ = 1070140798368.

The previous prime is 1131030221183. The next prime is 1131030221221. The reversal of 1131030221201 is 1021220301311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131030221201 is a prime.

It is a super-2 number, since 2×1131030221201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131030221201.

It is not an unprimeable number, because it can be changed into a prime (1131030221221) 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 7 ways as a sum of consecutive naturals, for example, 37804556 + ... + 37834461.

It is an arithmetic number, because the mean of its divisors is an integer number (149008865460).

Almost surely, 2^{1131030221201} is an apocalyptic number.

It is an amenable number.

1131030221201 is a deficient number, since it is larger than the sum of its proper divisors (61040702479).

1131030221201 is an equidigital number, since it uses as much as digits as its factorization.

1131030221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75639823.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1131030221201 its reverse (1021220301311), we get a palindrome (2152250522512).

The spelling of 1131030221201 in words is "one trillion, one hundred thirty-one billion, thirty million, two hundred twenty-one thousand, two hundred one".