101310120042 has 16 divisors (see below), whose sum is σ = 214539077952. Its totient is φ = 31783567040.

The previous prime is 101310120013. The next prime is 101310120049. The reversal of 101310120042 is 240021013101.

It is not an unprimeable number, because it can be changed into a prime (101310120049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496618134 + ... + 496618337.

It is an arithmetic number, because the mean of its divisors is an integer number (13408692372).

Almost surely, 2^101310120042 is an apocalyptic number.

101310120042 is an abundant number, since it is smaller than the sum of its proper divisors (113228957910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101310120042 is a wasteful number, since it uses less digits than its factorization.

101310120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993236493.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101310120042 its reverse (240021013101), we get a palindrome (341331133143).

The spelling of 101310120042 in words is "one hundred one billion, three hundred ten million, one hundred twenty thousand, forty-two".