11010220013231 has 4 divisors (see below), whose sum is σ = 11010267267264. Its totient is φ = 11010172759200.

The previous prime is 11010220013123. The next prime is 11010220013257. The reversal of 11010220013231 is 13231002201011.

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 11010220013231 - 2⁴² = 6612173502127 is a prime.

It is a super-3 number, since 3×11010220013231³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010220013281) 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, 23275775 + ... + 23744096.

It is an arithmetic number, because the mean of its divisors is an integer number (2752566816816).

Almost surely, 2^{11010220013231} is an apocalyptic number.

11010220013231 is a deficient number, since it is larger than the sum of its proper divisors (47254033).

11010220013231 is an equidigital number, since it uses as much as digits as its factorization.

11010220013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47254032.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11010220013231 its reverse (13231002201011), we get a palindrome (24241222214242).

The spelling of 11010220013231 in words is "eleven trillion, ten billion, two hundred twenty million, thirteen thousand, two hundred thirty-one".