200121219687203 has 2 divisors, whose sum is σ = 200121219687204. Its totient is φ = 200121219687202.

The previous prime is 200121219687163. The next prime is 200121219687223. The reversal of 200121219687203 is 302786912121002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200121219687203 - 2¹² = 200121219683107 is a prime.

It is not a weakly prime, because it can be changed into another prime (200121219687223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060609843601 + 100060609843602.

It is an arithmetic number, because the mean of its divisors is an integer number (100060609843602).

Almost surely, 2^{200121219687203} is an apocalyptic number.

200121219687203 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121219687203 is an equidigital number, since it uses as much as digits as its factorization.

200121219687203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 200121219687203 in words is "two hundred trillion, one hundred twenty-one billion, two hundred nineteen million, six hundred eighty-seven thousand, two hundred three".