101206503203 has 4 divisors (see below), whose sum is σ = 108991618848. Its totient is φ = 93421387560.

The previous prime is 101206503157. The next prime is 101206503217. The reversal of 101206503203 is 302305602101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302305602101 = 487 ⋅620750723.

It is a cyclic number.

It is not a de Polignac number, because 101206503203 - 2¹⁰ = 101206502179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101206503103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3892557803 + ... + 3892557828.

It is an arithmetic number, because the mean of its divisors is an integer number (27247904712).

Almost surely, 2^101206503203 is an apocalyptic number.

101206503203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101206503203 is a deficient number, since it is larger than the sum of its proper divisors (7785115645).

101206503203 is an equidigital number, since it uses as much as digits as its factorization.

101206503203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7785115644.

The product of its (nonzero) digits is 1080, while the sum is 23.

The spelling of 101206503203 in words is "one hundred one billion, two hundred six million, five hundred three thousand, two hundred three".