101124321243 has 64 divisors (see below), whose sum is σ = 158794014720. Its totient is φ = 56582064000.

The previous prime is 101124321239. The next prime is 101124321247. The reversal of 101124321243 is 342123421101.

It is an interprime number because it is at equal distance from previous prime (101124321239) and next prime (101124321247).

It is not a de Polignac number, because 101124321243 - 2² = 101124321239 is a prime.

It is a super-2 number, since 2×101124321243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101124321247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12478893 + ... + 12486993.

It is an arithmetic number, because the mean of its divisors is an integer number (2481156480).

Almost surely, 2^101124321243 is an apocalyptic number.

101124321243 is a deficient number, since it is larger than the sum of its proper divisors (57669693477).

101124321243 is a wasteful number, since it uses less digits than its factorization.

101124321243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 101124321243 its reverse (342123421101), we get a palindrome (443247742344).

The spelling of 101124321243 in words is "one hundred one billion, one hundred twenty-four million, three hundred twenty-one thousand, two hundred forty-three".