141322412500021 has 4 divisors (see below), whose sum is σ = 143717707627200. Its totient is φ = 138927117372844.

The previous prime is 141322412500007. The next prime is 141322412500043. The reversal of 141322412500021 is 120005214223141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141322412500021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141322412500121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197647563501 + ... + 1197647563618.

It is an arithmetic number, because the mean of its divisors is an integer number (35929426906800).

Almost surely, 2^{141322412500021} is an apocalyptic number.

It is an amenable number.

141322412500021 is a deficient number, since it is larger than the sum of its proper divisors (2395295127179).

141322412500021 is an equidigital number, since it uses as much as digits as its factorization.

141322412500021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395295127178.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 141322412500021 its reverse (120005214223141), we get a palindrome (261327626723162).

The spelling of 141322412500021 in words is "one hundred forty-one trillion, three hundred twenty-two billion, four hundred twelve million, five hundred thousand, twenty-one".