200120131381 has 2 divisors, whose sum is σ = 200120131382. Its totient is φ = 200120131380.

The previous prime is 200120131369. The next prime is 200120131397. The reversal of 200120131381 is 183131021002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169360233156 + 30759898225 = 411534^2 + 175385^2 .

It is a cyclic number.

It is not a de Polignac number, because 200120131381 - 2⁹ = 200120130869 is a prime.

It is a super-2 number, since 2×200120131381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200120131681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060065690 + 100060065691.

It is an arithmetic number, because the mean of its divisors is an integer number (100060065691).

Almost surely, 2^200120131381 is an apocalyptic number.

It is an amenable number.

200120131381 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120131381 is an equidigital number, since it uses as much as digits as its factorization.

200120131381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 200120131381 its reverse (183131021002), we get a palindrome (383251152383).

The spelling of 200120131381 in words is "two hundred billion, one hundred twenty million, one hundred thirty-one thousand, three hundred eighty-one".