100122231 has 32 divisors (see below), whose sum is σ = 154960128. Its totient is φ = 56829440.

The previous prime is 100122227. The next prime is 100122257. The reversal of 100122231 is 132221001.

It is a cyclic number.

It is not a de Polignac number, because 100122231 - 2² = 100122227 is a prime.

It is a super-2 number, since 2×100122231² = 20048922280834722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177556 + ... + 178118.

It is an arithmetic number, because the mean of its divisors is an integer number (4842504).

Almost surely, 2^100122231 is an apocalyptic number.

100122231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100122231 is a deficient number, since it is larger than the sum of its proper divisors (54837897).

100122231 is a wasteful number, since it uses less digits than its factorization.

100122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100122231 is about 10006.1096835883. The cubic root of 100122231 is about 464.3479217093.

Adding to 100122231 its reverse (132221001), we get a palindrome (232343232).

It can be divided in two parts, 1001 and 22231, that added together give a palindrome (23232).

The spelling of 100122231 in words is "one hundred million, one hundred twenty-two thousand, two hundred thirty-one".