101244320142 has 32 divisors (see below), whose sum is σ = 237059875584. Its totient is φ = 28221412800.

The previous prime is 101244320129. The next prime is 101244320143. The reversal of 101244320142 is 241023442101.

It is a super-2 number, since 2×101244320142² (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 (101244320143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29395584 + ... + 29399027.

It is an arithmetic number, because the mean of its divisors is an integer number (7408121112).

Almost surely, 2^101244320142 is an apocalyptic number.

101244320142 is an abundant number, since it is smaller than the sum of its proper divisors (135815555442).

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

101244320142 is a wasteful number, since it uses less digits than its factorization.

101244320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58794664.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 101244320142 its reverse (241023442101), we get a palindrome (342267762243).

The spelling of 101244320142 in words is "one hundred one billion, two hundred forty-four million, three hundred twenty thousand, one hundred forty-two".