122003223120131 has 4 divisors (see below), whose sum is σ = 122003255739600. Its totient is φ = 122003190500664.

The previous prime is 122003223120047. The next prime is 122003223120203. The reversal of 122003223120131 is 131021322300221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122003223120131 is a prime.

It is a super-2 number, since 2×122003223120131² (a number of 29 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 = 122003223120097 and 122003223120106.

It is not an unprimeable number, because it can be changed into a prime (122003223120931) 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 3 ways as a sum of consecutive naturals, for example, 9845396 + ... + 18464513.

It is an arithmetic number, because the mean of its divisors is an integer number (30500813934900).

Almost surely, 2^{122003223120131} is an apocalyptic number.

122003223120131 is a deficient number, since it is larger than the sum of its proper divisors (32619469).

122003223120131 is an equidigital number, since it uses as much as digits as its factorization.

122003223120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32619468.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 122003223120131 its reverse (131021322300221), we get a palindrome (253024545420352).

The spelling of 122003223120131 in words is "one hundred twenty-two trillion, three billion, two hundred twenty-three million, one hundred twenty thousand, one hundred thirty-one".