100103201321011 has 6 divisors (see below), whose sum is σ = 116446581128580. Its totient is φ = 85802743989396.

The previous prime is 100103201320987. The next prime is 100103201321131. The reversal of 100103201321011 is 110123102301001.

It is a happy number.

It is not a de Polignac number, because 100103201321011 - 2¹¹ = 100103201318963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100103201321411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021461237921 + ... + 1021461238018.

It is an arithmetic number, because the mean of its divisors is an integer number (19407763521430).

Almost surely, 2^{100103201321011} is an apocalyptic number.

100103201321011 is a deficient number, since it is larger than the sum of its proper divisors (16343379807569).

100103201321011 is an equidigital number, since it uses as much as digits as its factorization.

100103201321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042922475953 (or 2042922475946 counting only the distinct ones).

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

Adding to 100103201321011 its reverse (110123102301001), we get a palindrome (210226303622012).

The spelling of 100103201321011 in words is "one hundred trillion, one hundred three billion, two hundred one million, three hundred twenty-one thousand, eleven".