141221130320 has 40 divisors (see below), whose sum is σ = 333904209120. Its totient is φ = 55531018880.

The previous prime is 141221130307. The next prime is 141221130367. The reversal of 141221130320 is 23031122141.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 141221130292 and 141221130301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14955146 + ... + 14964585.

It is an arithmetic number, because the mean of its divisors is an integer number (8347605228).

Almost surely, 2^141221130320 is an apocalyptic number.

141221130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141221130320 is an abundant number, since it is smaller than the sum of its proper divisors (192683078800).

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

141221130320 is a wasteful number, since it uses less digits than its factorization.

141221130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29919803 (or 29919797 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 141221130320 its reverse (23031122141), we get a palindrome (164252252461).

The spelling of 141221130320 in words is "one hundred forty-one billion, two hundred twenty-one million, one hundred thirty thousand, three hundred twenty".