103149836821 has 8 divisors (see below), whose sum is σ = 108281952000. Its totient is φ = 98130515520.

The previous prime is 103149836807. The next prime is 103149836831. The reversal of 103149836821 is 128638941301.

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 103149836821 - 2¹³ = 103149828629 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 (103149836831) 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, 28196596 + ... + 28200253.

It is an arithmetic number, because the mean of its divisors is an integer number (13535244000).

Almost surely, 2^103149836821 is an apocalyptic number.

It is an amenable number.

103149836821 is a deficient number, since it is larger than the sum of its proper divisors (5132115179).

103149836821 is an equidigital number, since it uses as much as digits as its factorization.

103149836821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56396939.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 103149836821 in words is "one hundred three billion, one hundred forty-nine million, eight hundred thirty-six thousand, eight hundred twenty-one".