100420412201 has 2 divisors, whose sum is σ = 100420412202. Its totient is φ = 100420412200.

The previous prime is 100420412179. The next prime is 100420412231. The reversal of 100420412201 is 102214024001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65758909225 + 34661502976 = 256435^2 + 186176^2 .

It is a cyclic number.

It is not a de Polignac number, because 100420412201 - 2³⁰ = 99346670377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100420412201.

It is not a weakly prime, because it can be changed into another prime (100420412231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210206100 + 50210206101.

It is an arithmetic number, because the mean of its divisors is an integer number (50210206101).

Almost surely, 2^100420412201 is an apocalyptic number.

It is an amenable number.

100420412201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420412201 is an equidigital number, since it uses as much as digits as its factorization.

100420412201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100420412201 its reverse (102214024001), we get a palindrome (202634436202).

The spelling of 100420412201 in words is "one hundred billion, four hundred twenty million, four hundred twelve thousand, two hundred one".