104231121142 has 4 divisors (see below), whose sum is σ = 156346681716. Its totient is φ = 52115560570.

The previous prime is 104231121077. The next prime is 104231121143. The reversal of 104231121142 is 241121132401.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×104231121142² (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 (104231121143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26057780284 + ... + 26057780287.

It is an arithmetic number, because the mean of its divisors is an integer number (39086670429).

Almost surely, 2^104231121142 is an apocalyptic number.

104231121142 is a deficient number, since it is larger than the sum of its proper divisors (52115560574).

104231121142 is an equidigital number, since it uses as much as digits as its factorization.

104231121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52115560573.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 104231121142 its reverse (241121132401), we get a palindrome (345352253543).

The spelling of 104231121142 in words is "one hundred four billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred forty-two".