101311123142 has 8 divisors (see below), whose sum is σ = 151978513800. Its totient is φ = 50651618544.

The previous prime is 101311123129. The next prime is 101311123171. The reversal of 101311123142 is 241321113101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939292 + ... + 1990847.

It is an arithmetic number, because the mean of its divisors is an integer number (18997314225).

Almost surely, 2^101311123142 is an apocalyptic number.

101311123142 is a deficient number, since it is larger than the sum of its proper divisors (50667390658).

101311123142 is a wasteful number, since it uses less digits than its factorization.

101311123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943030.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 101311123142 its reverse (241321113101), we get a palindrome (342632236243).

The spelling of 101311123142 in words is "one hundred one billion, three hundred eleven million, one hundred twenty-three thousand, one hundred forty-two".