1201332221311 has 2 divisors, whose sum is σ = 1201332221312. Its totient is φ = 1201332221310.

The previous prime is 1201332221303. The next prime is 1201332221321. The reversal of 1201332221311 is 1131222331021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201332221311 - 2³ = 1201332221303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201332221321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600666110655 + 600666110656.

It is an arithmetic number, because the mean of its divisors is an integer number (600666110656).

Almost surely, 2^{1201332221311} is an apocalyptic number.

1201332221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201332221311 is an equidigital number, since it uses as much as digits as its factorization.

1201332221311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1201332221311 its reverse (1131222331021), we get a palindrome (2332554552332).

The spelling of 1201332221311 in words is "one trillion, two hundred one billion, three hundred thirty-two million, two hundred twenty-one thousand, three hundred eleven".