200042010251 has 2 divisors, whose sum is σ = 200042010252. Its totient is φ = 200042010250.

The previous prime is 200042010247. The next prime is 200042010299. The reversal of 200042010251 is 152010240002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200042010251 - 2² = 200042010247 is a prime.

It is a super-2 number, since 2×200042010251² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200042010151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100021005125 + 100021005126.

It is an arithmetic number, because the mean of its divisors is an integer number (100021005126).

Almost surely, 2^200042010251 is an apocalyptic number.

200042010251 is a deficient number, since it is larger than the sum of its proper divisors (1).

200042010251 is an equidigital number, since it uses as much as digits as its factorization.

200042010251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 200042010251 its reverse (152010240002), we get a palindrome (352052250253).

The spelling of 200042010251 in words is "two hundred billion, forty-two million, ten thousand, two hundred fifty-one".