11231120210203 has 4 divisors (see below), whose sum is σ = 11389305001968. Its totient is φ = 11072935418440.

The previous prime is 11231120210197. The next prime is 11231120210243. The reversal of 11231120210203 is 30201202113211.

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 11231120210203 - 2¹³ = 11231120202011 is a prime.

It is a super-2 number, since 2×11231120210203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231120210243) 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, 79092395776 + ... + 79092395917.

It is an arithmetic number, because the mean of its divisors is an integer number (2847326250492).

Almost surely, 2^{11231120210203} is an apocalyptic number.

11231120210203 is a deficient number, since it is larger than the sum of its proper divisors (158184791765).

11231120210203 is an equidigital number, since it uses as much as digits as its factorization.

11231120210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158184791764.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11231120210203 its reverse (30201202113211), we get a palindrome (41432322323414).

The spelling of 11231120210203 in words is "eleven trillion, two hundred thirty-one billion, one hundred twenty million, two hundred ten thousand, two hundred three".