101142340220 has 12 divisors (see below), whose sum is σ = 212398914504. Its totient is φ = 40456936080.

The previous prime is 101142340183. The next prime is 101142340237. The reversal of 101142340220 is 22043241101.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5057117011 = 101142340220 / (1 + 0 + 1 + 1 + 4 + 2 + 3 + 4 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 101142340192 and 101142340201.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2528558486 + ... + 2528558525.

It is an arithmetic number, because the mean of its divisors is an integer number (17699909542).

Almost surely, 2^101142340220 is an apocalyptic number.

101142340220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101142340220 is an abundant number, since it is smaller than the sum of its proper divisors (111256574284).

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

101142340220 is a wasteful number, since it uses less digits than its factorization.

101142340220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057117020 (or 5057117018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101142340220 its reverse (22043241101), we get a palindrome (123185581321).

The spelling of 101142340220 in words is "one hundred one billion, one hundred forty-two million, three hundred forty thousand, two hundred twenty".