102011124231 has 48 divisors (see below), whose sum is σ = 151442205408. Its totient is φ = 66147840000.

The previous prime is 102011124227. The next prime is 102011124277. The reversal of 102011124231 is 132421110201.

It is not a de Polignac number, because 102011124231 - 2² = 102011124227 is a prime.

It is a super-2 number, since 2×102011124231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011124031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24420015 + ... + 24424191.

It is an arithmetic number, because the mean of its divisors is an integer number (3155045946).

Almost surely, 2^102011124231 is an apocalyptic number.

102011124231 is a deficient number, since it is larger than the sum of its proper divisors (49431081177).

102011124231 is a wasteful number, since it uses less digits than its factorization.

102011124231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102011124231 its reverse (132421110201), we get a palindrome (234432234432).

The spelling of 102011124231 in words is "one hundred two billion, eleven million, one hundred twenty-four thousand, two hundred thirty-one".