100103100321121 has 4 divisors (see below), whose sum is σ = 100103159808000. Its totient is φ = 100103040834244.

The previous prime is 100103100321101. The next prime is 100103100321137. The reversal of 100103100321121 is 121123001301001.

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 100103100321121 - 2¹⁵ = 100103100288353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100103100321095 and 100103100321104.

It is not an unprimeable number, because it can be changed into a prime (100103100321101) 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, 27143521 + ... + 30610078.

It is an arithmetic number, because the mean of its divisors is an integer number (25025789952000).

Almost surely, 2^{100103100321121} is an apocalyptic number.

It is an amenable number.

100103100321121 is a deficient number, since it is larger than the sum of its proper divisors (59486879).

100103100321121 is an equidigital number, since it uses as much as digits as its factorization.

100103100321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59486878.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 100103100321121 its reverse (121123001301001), we get a palindrome (221226101622122).

The spelling of 100103100321121 in words is "one hundred trillion, one hundred three billion, one hundred million, three hundred twenty-one thousand, one hundred twenty-one".