11010202231 has 4 divisors (see below), whose sum is σ = 12583088272. Its totient is φ = 9437316192.

The previous prime is 11010202219. The next prime is 11010202261. The reversal of 11010202231 is 13220201011.

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 11010202231 - 2³³ = 2420267639 is a prime.

It is a super-2 number, since 2×11010202231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010202261) 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, 786443010 + ... + 786443023.

It is an arithmetic number, because the mean of its divisors is an integer number (3145772068).

Almost surely, 2^11010202231 is an apocalyptic number.

11010202231 is a deficient number, since it is larger than the sum of its proper divisors (1572886041).

11010202231 is an equidigital number, since it uses as much as digits as its factorization.

11010202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572886040.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11010202231 its reverse (13220201011), we get a palindrome (24230403242).

The spelling of 11010202231 in words is "eleven billion, ten million, two hundred two thousand, two hundred thirty-one".