101203123211203 has 24 divisors (see below), whose sum is σ = 110706573924576. Its totient is φ = 92464298784000.

The previous prime is 101203123211143. The next prime is 101203123211207. The reversal of 101203123211203 is 302112321302101.

It is a de Polignac number, because none of the positive numbers 2^k-101203123211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101203123211207) 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, 53538151 + ... + 55396207.

It is an arithmetic number, because the mean of its divisors is an integer number (4612773913524).

Almost surely, 2^{101203123211203} is an apocalyptic number.

101203123211203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101203123211203 is a deficient number, since it is larger than the sum of its proper divisors (9503450713373).

101203123211203 is a wasteful number, since it uses less digits than its factorization.

101203123211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861375 (or 1861362 counting only the distinct ones).

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

Adding to 101203123211203 its reverse (302112321302101), we get a palindrome (403315444513304).

The spelling of 101203123211203 in words is "one hundred one trillion, two hundred three billion, one hundred twenty-three million, two hundred eleven thousand, two hundred three".