103141421521 has 8 divisors (see below), whose sum is σ = 105109824960. Its totient is φ = 101173845552.

The previous prime is 103141421501. The next prime is 103141421563. The reversal of 103141421521 is 125124141301.

It is a happy number.

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 103141421521 - 2²¹ = 103139324369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103141421501) 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, 47766 + ... + 456688.

It is an arithmetic number, because the mean of its divisors is an integer number (13138728120).

Almost surely, 2^103141421521 is an apocalyptic number.

It is an amenable number.

103141421521 is a deficient number, since it is larger than the sum of its proper divisors (1968403439).

103141421521 is an equidigital number, since it uses as much as digits as its factorization.

103141421521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413735.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 103141421521 its reverse (125124141301), we get a palindrome (228265562822).

The spelling of 103141421521 in words is "one hundred three billion, one hundred forty-one million, four hundred twenty-one thousand, five hundred twenty-one".