122101320213 has 16 divisors (see below), whose sum is σ = 180897171840. Its totient is φ = 81398032992.

The previous prime is 122101320203. The next prime is 122101320247. The reversal of 122101320213 is 312023101221.

122101320213 is a `hidden beast` number, since 122 + 10 + 1 + 320 + 213 = 666.

It is not a de Polignac number, because 122101320213 - 2⁸ = 122101319957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101320203) 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 15 ways as a sum of consecutive naturals, for example, 951145 + ... + 1071857.

It is an arithmetic number, because the mean of its divisors is an integer number (11306073240).

Almost surely, 2^122101320213 is an apocalyptic number.

It is an amenable number.

122101320213 is a deficient number, since it is larger than the sum of its proper divisors (58795851627).

122101320213 is a wasteful number, since it uses less digits than its factorization.

122101320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158185 (or 158179 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122101320213 its reverse (312023101221), we get a palindrome (434124421434).

The spelling of 122101320213 in words is "one hundred twenty-two billion, one hundred one million, three hundred twenty thousand, two hundred thirteen".