200140421381 has 2 divisors, whose sum is σ = 200140421382. Its totient is φ = 200140421380.

The previous prime is 200140421363. The next prime is 200140421387. The reversal of 200140421381 is 183124041002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106896302500 + 93244118881 = 326950^2 + 305359^2 .

It is a cyclic number.

It is not a de Polignac number, because 200140421381 - 2⁶ = 200140421317 is a prime.

It is a super-2 number, since 2×200140421381² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200140421381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200140421387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100070210690 + 100070210691.

It is an arithmetic number, because the mean of its divisors is an integer number (100070210691).

Almost surely, 2^200140421381 is an apocalyptic number.

It is an amenable number.

200140421381 is a deficient number, since it is larger than the sum of its proper divisors (1).

200140421381 is an equidigital number, since it uses as much as digits as its factorization.

200140421381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 200140421381 its reverse (183124041002), we get a palindrome (383264462383).

The spelling of 200140421381 in words is "two hundred billion, one hundred forty million, four hundred twenty-one thousand, three hundred eighty-one".