102021443122141 has 8 divisors (see below), whose sum is σ = 103946538506040. Its totient is φ = 100096353756672.

The previous prime is 102021443122117. The next prime is 102021443122201. The reversal of 102021443122141 is 141221344120201.

It can be written as a sum of positive squares in 4 ways, for example, as 33138846523225 + 68882596598916 = 5756635^2 + 8299554^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102021443122141 - 2⁷ = 102021443122013 is a prime.

It is a super-5 number, since 5×102021443122141⁵ (a number of 71 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021443122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47848581 + ... + 49935253.

It is an arithmetic number, because the mean of its divisors is an integer number (12993317313255).

Almost surely, 2^{102021443122141} is an apocalyptic number.

It is an amenable number.

102021443122141 is a deficient number, since it is larger than the sum of its proper divisors (1925095383899).

102021443122141 is an equidigital number, since it uses as much as digits as its factorization.

102021443122141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009215.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 102021443122141 its reverse (141221344120201), we get a palindrome (243242787242342).

The spelling of 102021443122141 in words is "one hundred two trillion, twenty-one billion, four hundred forty-three million, one hundred twenty-two thousand, one hundred forty-one".