11221201030031 has 8 divisors (see below), whose sum is σ = 11266842306384. Its totient is φ = 11175600237760.

The previous prime is 11221201030007. The next prime is 11221201030049. The reversal of 11221201030031 is 13003010212211.

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

It is a cyclic number.

It is not a de Polignac number, because 11221201030031 - 2³⁴ = 11204021160847 is a prime.

It is a super-3 number, since 3×11221201030031³ (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 junction number, because it is equal to n+sod(n) for n = 11221201029991 and 11221201030009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221201030001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9565481 + ... + 10674306.

It is an arithmetic number, because the mean of its divisors is an integer number (1408355288298).

Almost surely, 2^{11221201030031} is an apocalyptic number.

11221201030031 is a deficient number, since it is larger than the sum of its proper divisors (45641276353).

11221201030031 is a wasteful number, since it uses less digits than its factorization.

11221201030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20242041.

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

Adding to 11221201030031 its reverse (13003010212211), we get a palindrome (24224211242242).

The spelling of 11221201030031 in words is "eleven trillion, two hundred twenty-one billion, two hundred one million, thirty thousand, thirty-one".