122123313331 has 4 divisors (see below), whose sum is σ = 122177761992. Its totient is φ = 122068864672.

The previous prime is 122123313329. The next prime is 122123313379. The reversal of 122123313331 is 133313321221.

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 122123313331 - 2¹ = 122123313329 is a prime.

It is a super-2 number, since 2×122123313331² (a number of 23 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 = 122123313296 and 122123313305.

It is not an unprimeable number, because it can be changed into a prime (122123313311) 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, 27220966 + ... + 27225451.

It is an arithmetic number, because the mean of its divisors is an integer number (30544440498).

Almost surely, 2^122123313331 is an apocalyptic number.

122123313331 is a deficient number, since it is larger than the sum of its proper divisors (54448661).

122123313331 is an equidigital number, since it uses as much as digits as its factorization.

122123313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54448660.

The product of its digits is 1944, while the sum is 25.

Adding to 122123313331 its reverse (133313321221), we get a palindrome (255436634552).

The spelling of 122123313331 in words is "one hundred twenty-two billion, one hundred twenty-three million, three hundred thirteen thousand, three hundred thirty-one".