121120101121201 has 16 divisors (see below), whose sum is σ = 149077652760064. Its totient is φ = 95826943681344.

The previous prime is 121120101121189. The next prime is 121120101121211. The reversal of 121120101121201 is 102121101021121.

It is a cyclic number.

It is not a de Polignac number, because 121120101121201 - 2¹¹ = 121120101119153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120101121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28155666 + ... + 32171131.

It is an arithmetic number, because the mean of its divisors is an integer number (9317353297504).

Almost surely, 2^{121120101121201} is an apocalyptic number.

It is an amenable number.

121120101121201 is a deficient number, since it is larger than the sum of its proper divisors (27957551638863).

121120101121201 is a wasteful number, since it uses less digits than its factorization.

121120101121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60348880.

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

Adding to 121120101121201 its reverse (102121101021121), we get a palindrome (223241202142322).

The spelling of 121120101121201 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred one million, one hundred twenty-one thousand, two hundred one".