121310303220101 has 16 divisors (see below), whose sum is σ = 123465761990400. Its totient is φ = 119158194754368.

The previous prime is 121310303220059. The next prime is 121310303220109. The reversal of 121310303220101 is 101022303013121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121310303220101 - 2⁶ = 121310303220037 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 (121310303220109) 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, 370257311 + ... + 370584803.

It is an arithmetic number, because the mean of its divisors is an integer number (7716610124400).

Almost surely, 2^{121310303220101} is an apocalyptic number.

It is an amenable number.

121310303220101 is a deficient number, since it is larger than the sum of its proper divisors (2155458770299).

121310303220101 is a wasteful number, since it uses less digits than its factorization.

121310303220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332588.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121310303220101 its reverse (101022303013121), we get a palindrome (222332606233222).

The spelling of 121310303220101 in words is "one hundred twenty-one trillion, three hundred ten billion, three hundred three million, two hundred twenty thousand, one hundred one".