11222322031 has 2 divisors, whose sum is σ = 11222322032. Its totient is φ = 11222322030.

The previous prime is 11222322029. The next prime is 11222322077. The reversal of 11222322031 is 13022322211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11222322031 - 2¹ = 11222322029 is a prime.

It is a super-2 number, since 2×11222322031² (a number of 21 digits) contains 22 as substring.

Together with 11222322029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222322731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611161015 + 5611161016.

It is an arithmetic number, because the mean of its divisors is an integer number (5611161016).

Almost surely, 2^11222322031 is an apocalyptic number.

11222322031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222322031 is an equidigital number, since it uses as much as digits as its factorization.

11222322031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11222322031 its reverse (13022322211), we get a palindrome (24244644242).

The spelling of 11222322031 in words is "eleven billion, two hundred twenty-two million, three hundred twenty-two thousand, thirty-one".