100405211 has 8 divisors (see below), whose sum is σ = 101635248. Its totient is φ = 99180000.

The previous prime is 100405199. The next prime is 100405219. The reversal of 100405211 is 112504001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100405211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100405219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56801 + ... + 58541.

It is an arithmetic number, because the mean of its divisors is an integer number (12704406).

Almost surely, 2^100405211 is an apocalyptic number.

100405211 is a deficient number, since it is larger than the sum of its proper divisors (1230037).

100405211 is a wasteful number, since it uses less digits than its factorization.

100405211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 100405211 is about 10020.2400669844. The cubic root of 100405211 is about 464.7849794022.

Adding to 100405211 its reverse (112504001), we get a palindrome (212909212).

It can be divided in two parts, 10040 and 5211, that added together give a palindrome (15251).

The spelling of 100405211 in words is "one hundred million, four hundred five thousand, two hundred eleven".