201121100103303 has 24 divisors (see below), whose sum is σ = 290638429361280. Its totient is φ = 134020657501440.

The previous prime is 201121100103293. The next prime is 201121100103323. The reversal of 201121100103303 is 303301001121102.

201121100103303 is a `hidden beast` number, since 201 + 1 + 21 + 100 + 10 + 330 + 3 = 666.

It is not a de Polignac number, because 201121100103303 - 2⁵ = 201121100103271 is a prime.

It is a super-3 number, since 3×201121100103303³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121100103323) 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, 621978475 + ... + 622301747.

It is an arithmetic number, because the mean of its divisors is an integer number (12109934556720).

Almost surely, 2^{201121100103303} is an apocalyptic number.

201121100103303 is a deficient number, since it is larger than the sum of its proper divisors (89517329257977).

201121100103303 is a wasteful number, since it uses less digits than its factorization.

201121100103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354039 (or 354036 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 201121100103303 its reverse (303301001121102), we get a palindrome (504422101224405).

The spelling of 201121100103303 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred million, one hundred three thousand, three hundred three".