122130311320011 has 4 divisors (see below), whose sum is σ = 162840415093352. Its totient is φ = 81420207546672.

The previous prime is 122130311319971. The next prime is 122130311320099. The reversal of 122130311320011 is 110023113031221.

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

It is not a de Polignac number, because 122130311320011 - 2⁷ = 122130311319883 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 122130311320011.

It is not an unprimeable number, because it can be changed into a prime (122130311310011) 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, 20355051886666 + ... + 20355051886671.

It is an arithmetic number, because the mean of its divisors is an integer number (40710103773338).

Almost surely, 2^{122130311320011} is an apocalyptic number.

122130311320011 is a deficient number, since it is larger than the sum of its proper divisors (40710103773341).

122130311320011 is an equidigital number, since it uses as much as digits as its factorization.

122130311320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40710103773340.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 122130311320011 its reverse (110023113031221), we get a palindrome (232153424351232).

The spelling of 122130311320011 in words is "one hundred twenty-two trillion, one hundred thirty billion, three hundred eleven million, three hundred twenty thousand, eleven".