101203320042 has 96 divisors (see below), whose sum is σ = 246564774144. Its totient is φ = 29730499200.

The previous prime is 101203320017. The next prime is 101203320059. The reversal of 101203320042 is 240023302101.

101203320042 is a `hidden beast` number, since 101 + 203 + 320 + 0 + 42 = 666.

It is a super-2 number, since 2×101203320042² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101203319997 and 101203320024.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2004367 + ... + 2054237.

It is an arithmetic number, because the mean of its divisors is an integer number (2568383064).

Almost surely, 2^101203320042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101203320042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123282387072).

101203320042 is an abundant number, since it is smaller than the sum of its proper divisors (145361454102).

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

101203320042 is a wasteful number, since it uses less digits than its factorization.

101203320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50204 (or 50201 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 101203320042 its reverse (240023302101), we get a palindrome (341226622143).

The spelling of 101203320042 in words is "one hundred one billion, two hundred three million, three hundred twenty thousand, forty-two".