100203121322311 has 24 divisors (see below), whose sum is σ = 117539126146800. Its totient is φ = 85171349394432.

The previous prime is 100203121322287. The next prime is 100203121322347. The reversal of 100203121322311 is 113223121302001.

It is not a de Polignac number, because 100203121322311 - 2⁵ = 100203121322279 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 (100203121322011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10384636 + ... + 17556961.

It is an arithmetic number, because the mean of its divisors is an integer number (4897463589450).

Almost surely, 2^{100203121322311} is an apocalyptic number.

100203121322311 is a deficient number, since it is larger than the sum of its proper divisors (17336004824489).

100203121322311 is a wasteful number, since it uses less digits than its factorization.

100203121322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27942223 (or 27942216 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 100203121322311 its reverse (113223121302001), we get a palindrome (213426242624312).

The spelling of 100203121322311 in words is "one hundred trillion, two hundred three billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred eleven".