100200121019 has 2 divisors, whose sum is σ = 100200121020. Its totient is φ = 100200121018.

The previous prime is 100200121009. The next prime is 100200121033. The reversal of 100200121019 is 910121002001.

It is a weak prime.

It is an emirp because it is prime and its reverse (910121002001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100200121019 is a prime.

It is a super-3 number, since 3×100200121019³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 100200120988 and 100200121006.

It is not a weakly prime, because it can be changed into another prime (100200121009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100060509 + 50100060510.

It is an arithmetic number, because the mean of its divisors is an integer number (50100060510).

Almost surely, 2^100200121019 is an apocalyptic number.

100200121019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100200121019 is an equidigital number, since it uses as much as digits as its factorization.

100200121019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 100200121019 in words is "one hundred billion, two hundred million, one hundred twenty-one thousand, nineteen".