122010110020121 has 8 divisors (see below), whose sum is σ = 122523573042024. Its totient is φ = 121496706478080.

The previous prime is 122010110020087. The next prime is 122010110020133. The reversal of 122010110020121 is 121020011010221.

It can be written as a sum of positive squares in 4 ways, for example, as 26567468244496 + 95442641775625 = 5154364^2 + 9769475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122010110020121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010110020096 and 122010110020105.

It is not an unprimeable number, because it can be changed into a prime (122010110020021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10756376 + ... + 18966281.

It is an arithmetic number, because the mean of its divisors is an integer number (15315446630253).

Almost surely, 2^{122010110020121} is an apocalyptic number.

It is an amenable number.

122010110020121 is a deficient number, since it is larger than the sum of its proper divisors (513463021903).

122010110020121 is a wasteful number, since it uses less digits than its factorization.

122010110020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29739931.

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

Adding to 122010110020121 its reverse (121020011010221), we get a palindrome (243030121030342).

The spelling of 122010110020121 in words is "one hundred twenty-two trillion, ten billion, one hundred ten million, twenty thousand, one hundred twenty-one".