101120231 has 2 divisors, whose sum is σ = 101120232. Its totient is φ = 101120230.

The previous prime is 101120221. The next prime is 101120251. The reversal of 101120231 is 132021101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101120231 is a prime.

It is a super-2 number, since 2×101120231² = 20450602234986722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101120221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560115 + 50560116.

It is an arithmetic number, because the mean of its divisors is an integer number (50560116).

Almost surely, 2^101120231 is an apocalyptic number.

101120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120231 is an equidigital number, since it uses as much as digits as its factorization.

101120231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101120231 is about 10055.8555578330. The cubic root of 101120231 is about 465.8856685628.

Adding to 101120231 its reverse (132021101), we get a palindrome (233141332).

The spelling of 101120231 in words is "one hundred one million, one hundred twenty thousand, two hundred thirty-one".