122120101121 has 4 divisors (see below), whose sum is σ = 122132462592. Its totient is φ = 122107739652.

The previous prime is 122120101111. The next prime is 122120101133. The reversal of 122120101121 is 121101021221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122120101121 - 2⁶ = 122120101057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122120101096 and 122120101105.

It is not an unprimeable number, because it can be changed into a prime (122120101111) 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, 6165905 + ... + 6185678.

It is an arithmetic number, because the mean of its divisors is an integer number (30533115648).

Almost surely, 2^122120101121 is an apocalyptic number.

It is an amenable number.

122120101121 is a deficient number, since it is larger than the sum of its proper divisors (12361471).

122120101121 is an equidigital number, since it uses as much as digits as its factorization.

122120101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361470.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122120101121 its reverse (121101021221), we get a palindrome (243221122342).

The spelling of 122120101121 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred one thousand, one hundred twenty-one".