100200209801 has 2 divisors, whose sum is σ = 100200209802. Its totient is φ = 100200209800.

The previous prime is 100200209783. The next prime is 100200209839. The reversal of 100200209801 is 108902002001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83766251776 + 16433958025 = 289424^2 + 128195^2 .

It is a cyclic number.

It is not a de Polignac number, because 100200209801 - 2³⁰ = 99126467977 is a prime.

It is not a weakly prime, because it can be changed into another prime (100200709801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100104900 + 50100104901.

It is an arithmetic number, because the mean of its divisors is an integer number (50100104901).

Almost surely, 2^100200209801 is an apocalyptic number.

It is an amenable number.

100200209801 is a deficient number, since it is larger than the sum of its proper divisors (1).

100200209801 is an equidigital number, since it uses as much as digits as its factorization.

100200209801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 100200209801 in words is "one hundred billion, two hundred million, two hundred nine thousand, eight hundred one".