100211401 has 4 divisors (see below), whose sum is σ = 100375492. Its totient is φ = 100047312.

The previous prime is 100211389. The next prime is 100211477. The reversal of 100211401 is 104112001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10890000 + 89321401 = 3300^2 + 9451^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211401 - 2⁵ = 100211369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100211101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81126 + ... + 82351.

It is an arithmetic number, because the mean of its divisors is an integer number (25093873).

Almost surely, 2^100211401 is an apocalyptic number.

It is an amenable number.

100211401 is a deficient number, since it is larger than the sum of its proper divisors (164091).

100211401 is an equidigital number, since it uses as much as digits as its factorization.

100211401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164090.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 100211401 is about 10010.5644695991. The cubic root of 100211401 is about 464.4857319893.

Adding to 100211401 its reverse (104112001), we get a palindrome (204323402).

It can be divided in two parts, 1002 and 11401, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 100211401 in words is "one hundred million, two hundred eleven thousand, four hundred one".