122031123101 has 4 divisors (see below), whose sum is σ = 122116282332. Its totient is φ = 121945963872.

The previous prime is 122031123079. The next prime is 122031123143. The reversal of 122031123101 is 101321130221.

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 76093774201 + 45937348900 = 275851^2 + 214330^2 .

It is a cyclic number.

It is not a de Polignac number, because 122031123101 - 2²² = 122026928797 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 122031123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031123191) 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, 42577466 + ... + 42580331.

It is an arithmetic number, because the mean of its divisors is an integer number (30529070583).

Almost surely, 2^122031123101 is an apocalyptic number.

It is an amenable number.

122031123101 is a deficient number, since it is larger than the sum of its proper divisors (85159231).

122031123101 is an equidigital number, since it uses as much as digits as its factorization.

122031123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85159230.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122031123101 its reverse (101321130221), we get a palindrome (223352253322).

The spelling of 122031123101 in words is "one hundred twenty-two billion, thirty-one million, one hundred twenty-three thousand, one hundred one".