101312440054242 has 16 divisors (see below), whose sum is σ = 202625011984800. Its totient is φ = 33770791372032.

The previous prime is 101312440054237. The next prime is 101312440054247. The reversal of 101312440054242 is 242450044213101.

It is an interprime number because it is at equal distance from previous prime (101312440054237) and next prime (101312440054247).

It is a super-3 number, since 3×101312440054242³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (101312440054247) 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, 6509634 + ... + 15652482.

It is an arithmetic number, because the mean of its divisors is an integer number (12664063249050).

Almost surely, 2^{101312440054242} is an apocalyptic number.

101312440054242 is an abundant number, since it is smaller than the sum of its proper divisors (101312571930558).

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

101312440054242 is a wasteful number, since it uses less digits than its factorization.

101312440054242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10989697.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 101312440054242 its reverse (242450044213101), we get a palindrome (343762484267343).

The spelling of 101312440054242 in words is "one hundred one trillion, three hundred twelve billion, four hundred forty million, fifty-four thousand, two hundred forty-two".