100401101 has 2 divisors, whose sum is σ = 100401102. Its totient is φ = 100401100.

The previous prime is 100401089. The next prime is 100401107. The reversal of 100401101 is 101104001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81902500 + 18498601 = 9050^2 + 4301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100401101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100401107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50200550 + 50200551.

It is an arithmetic number, because the mean of its divisors is an integer number (50200551).

Almost surely, 2^100401101 is an apocalyptic number.

It is an amenable number.

100401101 is a deficient number, since it is larger than the sum of its proper divisors (1).

100401101 is an equidigital number, since it uses as much as digits as its factorization.

100401101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 100401101 is about 10020.0349799789. The cubic root of 100401101 is about 464.7786374593.

Adding to 100401101 its reverse (101104001), we get a palindrome (201505102).

The spelling of 100401101 in words is "one hundred million, four hundred one thousand, one hundred one".