101321100220203 has 16 divisors (see below), whose sum is σ = 151482446816800. Its totient is φ = 66927699226080.

The previous prime is 101321100220199. The next prime is 101321100220283. The reversal of 101321100220203 is 302022001123101.

101321100220203 is a `hidden beast` number, since 1 + 0 + 1 + 321 + 100 + 220 + 20 + 3 = 666.

It is not a de Polignac number, because 101321100220203 - 2² = 101321100220199 is a prime.

It is a super-2 number, since 2×101321100220203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101321100220283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17213911468 + ... + 17213917353.

It is an arithmetic number, because the mean of its divisors is an integer number (9467652926050).

Almost surely, 2^{101321100220203} is an apocalyptic number.

101321100220203 is a deficient number, since it is larger than the sum of its proper divisors (50161346596597).

101321100220203 is a wasteful number, since it uses less digits than its factorization.

101321100220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34427828939 (or 34427828933 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101321100220203 its reverse (302022001123101), we get a palindrome (403343101343304).

The spelling of 101321100220203 in words is "one hundred one trillion, three hundred twenty-one billion, one hundred million, two hundred twenty thousand, two hundred three".