101123421142 has 8 divisors (see below), whose sum is σ = 151688779056. Its totient is φ = 50560494792.

The previous prime is 101123421103. The next prime is 101123421143. The reversal of 101123421142 is 241124321101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123421143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500098 + ... + 672565.

It is an arithmetic number, because the mean of its divisors is an integer number (18961097382).

Almost surely, 2^101123421142 is an apocalyptic number.

101123421142 is a deficient number, since it is larger than the sum of its proper divisors (50565357914).

101123421142 is a wasteful number, since it uses less digits than its factorization.

101123421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215782.

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

Adding to 101123421142 its reverse (241124321101), we get a palindrome (342247742243).

The spelling of 101123421142 in words is "one hundred one billion, one hundred twenty-three million, four hundred twenty-one thousand, one hundred forty-two".