1131321022201 has 8 divisors (see below), whose sum is σ = 1134584059464. Its totient is φ = 1128058314240.

The previous prime is 1131321022193. The next prime is 1131321022253. The reversal of 1131321022201 is 1022201231311.

It can be written as a sum of positive squares in 4 ways, for example, as 182841760000 + 948479262201 = 427600^2 + 973899^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1131321022201 - 2³ = 1131321022193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131351022201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7914375 + ... + 8056051.

It is an arithmetic number, because the mean of its divisors is an integer number (141823007433).

Almost surely, 2^{1131321022201} is an apocalyptic number.

It is an amenable number.

1131321022201 is a deficient number, since it is larger than the sum of its proper divisors (3263037263).

1131321022201 is a wasteful number, since it uses less digits than its factorization.

1131321022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164651.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1131321022201 its reverse (1022201231311), we get a palindrome (2153522253512).

The spelling of 1131321022201 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-one million, twenty-two thousand, two hundred one".