1201010101331 has 2 divisors, whose sum is σ = 1201010101332. Its totient is φ = 1201010101330.

The previous prime is 1201010101327. The next prime is 1201010101351. The reversal of 1201010101331 is 1331010101021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201010101331 - 2² = 1201010101327 is a prime.

It is a super-2 number, since 2×1201010101331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1201010101351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600505050665 + 600505050666.

It is an arithmetic number, because the mean of its divisors is an integer number (600505050666).

Almost surely, 2^{1201010101331} is an apocalyptic number.

1201010101331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201010101331 is an equidigital number, since it uses as much as digits as its factorization.

1201010101331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1201010101331 its reverse (1331010101021), we get a palindrome (2532020202352).

The spelling of 1201010101331 in words is "one trillion, two hundred one billion, ten million, one hundred one thousand, three hundred thirty-one".