101321203 has 4 divisors (see below), whose sum is σ = 102305008. Its totient is φ = 100337400.

The previous prime is 101321197. The next prime is 101321221. The reversal of 101321203 is 302123101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101321203 - 2⁹ = 101320691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101321303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491748 + ... + 491953.

It is an arithmetic number, because the mean of its divisors is an integer number (25576252).

Almost surely, 2^101321203 is an apocalyptic number.

101321203 is a deficient number, since it is larger than the sum of its proper divisors (983805).

101321203 is an equidigital number, since it uses as much as digits as its factorization.

101321203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983804.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 101321203 is about 10065.8433824494. The cubic root of 101321203 is about 466.1941067246.

Adding to 101321203 its reverse (302123101), we get a palindrome (403444304).

The spelling of 101321203 in words is "one hundred one million, three hundred twenty-one thousand, two hundred three".