122120301321101 has 4 divisors (see below), whose sum is σ = 125098845255804. Its totient is φ = 119141757386400.

The previous prime is 122120301321077. The next prime is 122120301321133. The reversal of 122120301321101 is 101123103021221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61693154541001 + 60427146780100 = 7854499^2 + 7773490^2 .

It is a cyclic number.

It is not a de Polignac number, because 122120301321101 - 2²² = 122120297126797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120303321101) 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, 1489271967290 + ... + 1489271967371.

It is an arithmetic number, because the mean of its divisors is an integer number (31274711313951).

Almost surely, 2^{122120301321101} is an apocalyptic number.

It is an amenable number.

122120301321101 is a deficient number, since it is larger than the sum of its proper divisors (2978543934703).

122120301321101 is an equidigital number, since it uses as much as digits as its factorization.

122120301321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978543934702.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 122120301321101 its reverse (101123103021221), we get a palindrome (223243404342322).

The spelling of 122120301321101 in words is "one hundred twenty-two trillion, one hundred twenty billion, three hundred one million, three hundred twenty-one thousand, one hundred one".