200121201179 has 2 divisors, whose sum is σ = 200121201180. Its totient is φ = 200121201178.

The previous prime is 200121201113. The next prime is 200121201191. The reversal of 200121201179 is 971102121002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200121201179 - 2²⁴ = 200104423963 is a prime.

It is a super-2 number, since 2×200121201179² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200121206179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060600589 + 100060600590.

It is an arithmetic number, because the mean of its divisors is an integer number (100060600590).

Almost surely, 2^200121201179 is an apocalyptic number.

200121201179 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121201179 is an equidigital number, since it uses as much as digits as its factorization.

200121201179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 200121201179 in words is "two hundred billion, one hundred twenty-one million, two hundred one thousand, one hundred seventy-nine".