101132243442 has 16 divisors (see below), whose sum is σ = 224738318880. Its totient is φ = 33710747796.

The previous prime is 101132243411. The next prime is 101132243447. The reversal of 101132243442 is 244342231101.

It is a super-2 number, since 2×101132243442² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (101132243447) 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, 936409608 + ... + 936409715.

It is an arithmetic number, because the mean of its divisors is an integer number (14046144930).

Almost surely, 2^101132243442 is an apocalyptic number.

101132243442 is an abundant number, since it is smaller than the sum of its proper divisors (123606075438).

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

101132243442 is a wasteful number, since it uses less digits than its factorization.

101132243442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872819334 (or 1872819328 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 101132243442 its reverse (244342231101), we get a palindrome (345474474543).

The spelling of 101132243442 in words is "one hundred one billion, one hundred thirty-two million, two hundred forty-three thousand, four hundred forty-two".