122311110013 has 4 divisors (see below), whose sum is σ = 122317094880. Its totient is φ = 122305125148.

The previous prime is 122311109969. The next prime is 122311110067. The reversal of 122311110013 is 310011113221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122311110013 - 2¹³ = 122311101821 is a prime.

It is a super-2 number, since 2×122311110013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311110083) 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, 2961673 + ... + 3002686.

It is an arithmetic number, because the mean of its divisors is an integer number (30579273720).

Almost surely, 2^122311110013 is an apocalyptic number.

It is an amenable number.

122311110013 is a deficient number, since it is larger than the sum of its proper divisors (5984867).

122311110013 is an equidigital number, since it uses as much as digits as its factorization.

122311110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984866.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 122311110013 its reverse (310011113221), we get a palindrome (432322223234).

It can be divided in two parts, 122311 and 110013, that added together give a square (232324 = 482²).

The spelling of 122311110013 in words is "one hundred twenty-two billion, three hundred eleven million, one hundred ten thousand, thirteen".