103354597921 has 4 divisors (see below), whose sum is σ = 103356673200. Its totient is φ = 103352522644.

The previous prime is 103354597889. The next prime is 103354597949. The reversal of 103354597921 is 129795453301.

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 not a de Polignac number, because 103354597921 - 2⁵ = 103354597889 is a prime.

It is a super-2 number, since 2×103354597921² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103354597991) 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, 961051 + ... + 1063168.

It is an arithmetic number, because the mean of its divisors is an integer number (25839168300).

Almost surely, 2^103354597921 is an apocalyptic number.

It is an amenable number.

103354597921 is a deficient number, since it is larger than the sum of its proper divisors (2075279).

103354597921 is an equidigital number, since it uses as much as digits as its factorization.

103354597921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075278.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 103354597921 in words is "one hundred three billion, three hundred fifty-four million, five hundred ninety-seven thousand, nine hundred twenty-one".