1201131321053 has 2 divisors, whose sum is σ = 1201131321054. Its totient is φ = 1201131321052.

The previous prime is 1201131320981. The next prime is 1201131321073. The reversal of 1201131321053 is 3501231311021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857035280644 + 344096040409 = 925762^2 + 586597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201131321053 - 2¹⁰ = 1201131320029 is a prime.

It is a super-2 number, since 2×1201131321053² (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 (1201131321073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600565660526 + 600565660527.

It is an arithmetic number, because the mean of its divisors is an integer number (600565660527).

Almost surely, 2^{1201131321053} is an apocalyptic number.

It is an amenable number.

1201131321053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201131321053 is an equidigital number, since it uses as much as digits as its factorization.

1201131321053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 1201131321053 its reverse (3501231311021), we get a palindrome (4702362632074).

The spelling of 1201131321053 in words is "one trillion, two hundred one billion, one hundred thirty-one million, three hundred twenty-one thousand, fifty-three".