101012231 has 2 divisors, whose sum is σ = 101012232. Its totient is φ = 101012230.

The previous prime is 101012207. The next prime is 101012243. The reversal of 101012231 is 132210101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101012231 - 2¹⁴ = 100995847 is a prime.

It is a super-2 number, since 2×101012231² = 20406941623194722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506115 + 50506116.

It is an arithmetic number, because the mean of its divisors is an integer number (50506116).

Almost surely, 2^101012231 is an apocalyptic number.

101012231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012231 is an equidigital number, since it uses as much as digits as its factorization.

101012231 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 101012231 is about 10050.4841176930. The cubic root of 101012231 is about 465.7197486630.

Adding to 101012231 its reverse (132210101), we get a palindrome (233222332).

The spelling of 101012231 in words is "one hundred one million, twelve thousand, two hundred thirty-one".