100202020100047 has 2 divisors, whose sum is σ = 100202020100048. Its totient is φ = 100202020100046.

The previous prime is 100202020099999. The next prime is 100202020100101. The reversal of 100202020100047 is 740001020202001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100202020100047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100202020099997 and 100202020100033.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100202020103047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101010050023 + 50101010050024.

It is an arithmetic number, because the mean of its divisors is an integer number (50101010050024).

Almost surely, 2^{100202020100047} is an apocalyptic number.

100202020100047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100202020100047 is an equidigital number, since it uses as much as digits as its factorization.

100202020100047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 100202020100047 its reverse (740001020202001), we get a palindrome (840203040302048).

The spelling of 100202020100047 in words is "one hundred trillion, two hundred two billion, twenty million, one hundred thousand, forty-seven".