122101320133 has 4 divisors (see below), whose sum is σ = 131493729388. Its totient is φ = 112708910880.

The previous prime is 122101320109. The next prime is 122101320137. The reversal of 122101320133 is 331023101221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331023101221 = 67129 ⋅4931149.

It can be written as a sum of positive squares in 2 ways, for example, as 61957681569 + 60143638564 = 248913^2 + 245242^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101320133 - 2⁵ = 122101320101 is a prime.

It is a super-2 number, since 2×122101320133² (a number of 23 digits) contains 22 as substring.

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 122101320133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101320137) 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, 4696204608 + ... + 4696204633.

It is an arithmetic number, because the mean of its divisors is an integer number (32873432347).

Almost surely, 2^122101320133 is an apocalyptic number.

122101320133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122101320133 is a deficient number, since it is larger than the sum of its proper divisors (9392409255).

122101320133 is an equidigital number, since it uses as much as digits as its factorization.

122101320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392409254.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 122101320133 its reverse (331023101221), we get a palindrome (453124421354).

The spelling of 122101320133 in words is "one hundred twenty-two billion, one hundred one million, three hundred twenty thousand, one hundred thirty-three".