100121101103 has 8 divisors (see below), whose sum is σ = 105393590400. Its totient is φ = 94848907608.

The previous prime is 100121101081. The next prime is 100121101117. The reversal of 100121101103 is 301101121001.

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 100121101103 - 2¹⁴ = 100121084719 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 (100121106103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093700 + ... + 1181702.

It is an arithmetic number, because the mean of its divisors is an integer number (13174198800).

Almost surely, 2^100121101103 is an apocalyptic number.

100121101103 is a deficient number, since it is larger than the sum of its proper divisors (5272489297).

100121101103 is an equidigital number, since it uses as much as digits as its factorization.

100121101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147901.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100121101103 its reverse (301101121001), we get a palindrome (401222222104).

The spelling of 100121101103 in words is "one hundred billion, one hundred twenty-one million, one hundred one thousand, one hundred three".