100321000021103 has 16 divisors (see below), whose sum is σ = 107965428047136. Its totient is φ = 92870312970240.

The previous prime is 100321000021057. The next prime is 100321000021141. The reversal of 100321000021103 is 301120000123001.

It is a cyclic number.

It is not a de Polignac number, because 100321000021103 - 2¹⁶ = 100320999955567 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 (100321000021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62215175 + ... + 63807287.

It is an arithmetic number, because the mean of its divisors is an integer number (6747839252946).

Almost surely, 2^{100321000021103} is an apocalyptic number.

100321000021103 is a deficient number, since it is larger than the sum of its proper divisors (7644428026033).

100321000021103 is a wasteful number, since it uses less digits than its factorization.

100321000021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652954.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100321000021103 its reverse (301120000123001), we get a palindrome (401441000144104).

The spelling of 100321000021103 in words is "one hundred trillion, three hundred twenty-one billion, twenty-one thousand, one hundred three".