11011224120231 has 8 divisors (see below), whose sum is σ = 14683247160064. Its totient is φ = 7340008580280.

The previous prime is 11011224120209. The next prime is 11011224120241. The reversal of 11011224120231 is 13202142211011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11011224120231 - 2⁹ = 11011224119719 is a prime.

It is a super-2 number, since 2×11011224120231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011224120198 and 11011224120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011224120241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201843151 + ... + 201897696.

It is an arithmetic number, because the mean of its divisors is an integer number (1835405895008).

Almost surely, 2^{11011224120231} is an apocalyptic number.

11011224120231 is a deficient number, since it is larger than the sum of its proper divisors (3672023039833).

11011224120231 is an equidigital number, since it uses as much as digits as its factorization.

11011224120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403749941.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11011224120231 its reverse (13202142211011), we get a palindrome (24213366331242).

The spelling of 11011224120231 in words is "eleven trillion, eleven billion, two hundred twenty-four million, one hundred twenty thousand, two hundred thirty-one".