131330221221000 has 128 divisors (see below), whose sum is σ = 409764455717760. Its totient is φ = 35020181600000.

The previous prime is 131330221220987. The next prime is 131330221221109. The reversal of 131330221221000 is 122122033131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87761047 + ... + 89244953.

It is an arithmetic number, because the mean of its divisors is an integer number (3201284810295).

Almost surely, 2^{131330221221000} is an apocalyptic number.

131330221221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131330221221000 is an abundant number, since it is smaller than the sum of its proper divisors (278434234496760).

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

131330221221000 is a wasteful number, since it uses less digits than its factorization.

131330221221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513432 (or 1513418 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131330221221000 its reverse (122122033131), we get a palindrome (131452343254131).

The spelling of 131330221221000 in words is "one hundred thirty-one trillion, three hundred thirty billion, two hundred twenty-one million, two hundred twenty-one thousand".