141021242774021 has 8 divisors (see below), whose sum is σ = 142989420479640. Its totient is φ = 139063562016768.

The previous prime is 141021242773993. The next prime is 141021242774029. The reversal of 141021242774021 is 120477242120141.

It can be written as a sum of positive squares in 4 ways, for example, as 535228225 + 141020707545796 = 23135^2 + 11875214^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141021242774021 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 (141021242774029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2624210036 + ... + 2624263773.

It is an arithmetic number, because the mean of its divisors is an integer number (17873677559955).

Almost surely, 2^{141021242774021} is an apocalyptic number.

It is an amenable number.

141021242774021 is a deficient number, since it is larger than the sum of its proper divisors (1968177705619).

141021242774021 is an equidigital number, since it uses as much as digits as its factorization.

141021242774021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248474183.

The product of its (nonzero) digits is 50176, while the sum is 38.

Adding to 141021242774021 its reverse (120477242120141), we get a palindrome (261498484894162).

The spelling of 141021242774021 in words is "one hundred forty-one trillion, twenty-one billion, two hundred forty-two million, seven hundred seventy-four thousand, twenty-one".