1201131321227 has 2 divisors, whose sum is σ = 1201131321228. Its totient is φ = 1201131321226.

The previous prime is 1201131321191. The next prime is 1201131321239. The reversal of 1201131321227 is 7221231311021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201131321227 - 2¹² = 1201131317131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201131321196 and 1201131321205.

It is not a weakly prime, because it can be changed into another prime (1201131321287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600565660613 + 600565660614.

It is an arithmetic number, because the mean of its divisors is an integer number (600565660614).

Almost surely, 2^{1201131321227} is an apocalyptic number.

1201131321227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201131321227 is an equidigital number, since it uses as much as digits as its factorization.

1201131321227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 1201131321227 its reverse (7221231311021), we get a palindrome (8422362632248).

The spelling of 1201131321227 in words is "one trillion, two hundred one billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred twenty-seven".