11222031121331 has 4 divisors (see below), whose sum is σ = 11222113647072. Its totient is φ = 11221948595592.

The previous prime is 11222031121319. The next prime is 11222031121333. The reversal of 11222031121331 is 13312113022211.

It is a happy number.

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 11222031121331 - 2¹⁸ = 11222030859187 is a prime.

It is a super-3 number, since 3×11222031121331³ (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 = 11222031121297 and 11222031121306.

It is not an unprimeable number, because it can be changed into a prime (11222031121333) 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, 41058560 + ... + 41330973.

It is an arithmetic number, because the mean of its divisors is an integer number (2805528411768).

Almost surely, 2^{11222031121331} is an apocalyptic number.

11222031121331 is a deficient number, since it is larger than the sum of its proper divisors (82525741).

11222031121331 is an equidigital number, since it uses as much as digits as its factorization.

11222031121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82525740.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11222031121331 its reverse (13312113022211), we get a palindrome (24534144143542).

The spelling of 11222031121331 in words is "eleven trillion, two hundred twenty-two billion, thirty-one million, one hundred twenty-one thousand, three hundred thirty-one".