1201101120943 has 2 divisors, whose sum is σ = 1201101120944. Its totient is φ = 1201101120942.

The previous prime is 1201101120937. The next prime is 1201101121019. The reversal of 1201101120943 is 3490211011021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201101120943 - 2²⁵ = 1201067566511 is a prime.

It is a super-2 number, since 2×1201101120943² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201101120913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600550560471 + 600550560472.

It is an arithmetic number, because the mean of its divisors is an integer number (600550560472).

Almost surely, 2^{1201101120943} is an apocalyptic number.

1201101120943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201101120943 is an equidigital number, since it uses as much as digits as its factorization.

1201101120943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 1201101120943 its reverse (3490211011021), we get a palindrome (4691312131964).

The spelling of 1201101120943 in words is "one trillion, two hundred one billion, one hundred one million, one hundred twenty thousand, nine hundred forty-three".