122003202311 has 4 divisors (see below), whose sum is σ = 127307689392. Its totient is φ = 116698715232.

The previous prime is 122003202283. The next prime is 122003202329. The reversal of 122003202311 is 113202300221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113202300221 = 53 ⋅2135892457.

It is a de Polignac number, because none of the positive numbers 2^k-122003202311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122003202311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003202331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652243506 + ... + 2652243551.

It is an arithmetic number, because the mean of its divisors is an integer number (31826922348).

Almost surely, 2^122003202311 is an apocalyptic number.

122003202311 is a deficient number, since it is larger than the sum of its proper divisors (5304487081).

122003202311 is an equidigital number, since it uses as much as digits as its factorization.

122003202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304487080.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122003202311 its reverse (113202300221), we get a palindrome (235205502532).

The spelling of 122003202311 in words is "one hundred twenty-two billion, three million, two hundred two thousand, three hundred eleven".