11222321123031 has 4 divisors (see below), whose sum is σ = 14963094830712. Its totient is φ = 7481547415352.

The previous prime is 11222321122967. The next prime is 11222321123053. The reversal of 11222321123031 is 13032112322211.

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 11222321123031 - 2⁶ = 11222321122967 is a prime.

It is a super-2 number, since 2×11222321123031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222321122992 and 11222321123010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222321122031) 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, 1870386853836 + ... + 1870386853841.

It is an arithmetic number, because the mean of its divisors is an integer number (3740773707678).

Almost surely, 2^{11222321123031} is an apocalyptic number.

11222321123031 is a deficient number, since it is larger than the sum of its proper divisors (3740773707681).

11222321123031 is an equidigital number, since it uses as much as digits as its factorization.

11222321123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740773707680.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11222321123031 its reverse (13032112322211), we get a palindrome (24254433445242).

The spelling of 11222321123031 in words is "eleven trillion, two hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-three thousand, thirty-one".