100200901 has 2 divisors, whose sum is σ = 100200902. Its totient is φ = 100200900.

The previous prime is 100200883. The next prime is 100200911. The reversal of 100200901 is 109002001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99980001 + 220900 = 9999^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 100200901 - 2⁵ = 100200869 is a prime.

It is a super-2 number, since 2×100200901² = 20080441122423602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100200911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100450 + 50100451.

It is an arithmetic number, because the mean of its divisors is an integer number (50100451).

Almost surely, 2^100200901 is an apocalyptic number.

It is an amenable number.

100200901 is a deficient number, since it is larger than the sum of its proper divisors (1).

100200901 is an equidigital number, since it uses as much as digits as its factorization.

100200901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 100200901 is about 10010.0400099101. The cubic root of 100200901 is about 464.4695087170.

Adding to 100200901 its reverse (109002001), we get a palindrome (209202902).

It can be divided in two parts, 100200 and 901, that added together give a palindrome (101101).

The spelling of 100200901 in words is "one hundred million, two hundred thousand, nine hundred one".