200121088457579 has 2 divisors, whose sum is σ = 200121088457580. Its totient is φ = 200121088457578.

The previous prime is 200121088457513. The next prime is 200121088457621. The reversal of 200121088457579 is 975754880121002.

It is a happy number.

200121088457579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121088457579 is a prime.

It is a super-2 number, since 2×200121088457579² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200121088454579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060544228789 + 100060544228790.

It is an arithmetic number, because the mean of its divisors is an integer number (100060544228790).

Almost surely, 2^{200121088457579} is an apocalyptic number.

200121088457579 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121088457579 is an equidigital number, since it uses as much as digits as its factorization.

200121088457579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 59.

The spelling of 200121088457579 in words is "two hundred trillion, one hundred twenty-one billion, eighty-eight million, four hundred fifty-seven thousand, five hundred seventy-nine".