1131202223201 has 8 divisors (see below), whose sum is σ = 1149778809000. Its totient is φ = 1112626679040.

The previous prime is 1131202223197. The next prime is 1131202223227. The reversal of 1131202223201 is 1023222021311.

It can be written as a sum of positive squares in 4 ways, for example, as 214058902225 + 917143320976 = 462665^2 + 957676^2 .

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 1131202223201 - 2² = 1131202223197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131252223201) 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, 2104235 + ... + 2586543.

It is an arithmetic number, because the mean of its divisors is an integer number (143722351125).

Almost surely, 2^{1131202223201} is an apocalyptic number.

It is an amenable number.

1131202223201 is a deficient number, since it is larger than the sum of its proper divisors (18576585799).

1131202223201 is an equidigital number, since it uses as much as digits as its factorization.

1131202223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520819.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1131202223201 its reverse (1023222021311), we get a palindrome (2154424244512).

The spelling of 1131202223201 in words is "one trillion, one hundred thirty-one billion, two hundred two million, two hundred twenty-three thousand, two hundred one".