101220143220140 has 48 divisors (see below), whose sum is σ = 253490445637632. Its totient is φ = 33195177402816.

The previous prime is 101220143220047. The next prime is 101220143220149. The reversal of 101220143220140 is 41022341022101.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (101220143220149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15717410324 + ... + 15717416763.

It is an arithmetic number, because the mean of its divisors is an integer number (5281050950784).

Almost surely, 2^{101220143220140} is an apocalyptic number.

101220143220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220143220140 is an abundant number, since it is smaller than the sum of its proper divisors (152270302417492).

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

101220143220140 is a wasteful number, since it uses less digits than its factorization.

101220143220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31434827126 (or 31434827124 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 101220143220140 its reverse (41022341022101), we get a palindrome (142242484242241).

The spelling of 101220143220140 in words is "one hundred one trillion, two hundred twenty billion, one hundred forty-three million, two hundred twenty thousand, one hundred forty".