100023211 has 4 divisors (see below), whose sum is σ = 100058400. Its totient is φ = 99988024.

The previous prime is 100023139. The next prime is 100023221. The reversal of 100023211 is 112320001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112320001 = 19 ⋅5911579.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100023211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100023221) 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, 12916 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (25014600).

Almost surely, 2^100023211 is an apocalyptic number.

100023211 is a deficient number, since it is larger than the sum of its proper divisors (35189).

100023211 is an equidigital number, since it uses as much as digits as its factorization.

100023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35188.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100023211 is about 10001.1604826640. The cubic root of 100023211 is about 464.1947925559.

Adding to 100023211 its reverse (112320001), we get a palindrome (212343212).

The spelling of 100023211 in words is "one hundred million, twenty-three thousand, two hundred eleven".