121303303121 has 32 divisors (see below), whose sum is σ = 166334128128. Its totient is φ = 85394687040.

The previous prime is 121303303097. The next prime is 121303303133.

121303303121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 121303303121 - 2¹⁴ = 121303286737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121303303093 and 121303303102.

It is not an unprimeable number, because it can be changed into a prime (121303303171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1242125 + ... + 1336218.

It is an arithmetic number, because the mean of its divisors is an integer number (5197941504).

Almost surely, 2^121303303121 is an apocalyptic number.

121303303121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121303303121 is a deficient number, since it is larger than the sum of its proper divisors (45030825007).

121303303121 is a wasteful number, since it uses less digits than its factorization.

121303303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578421.

The product of its (nonzero) digits is 324, while the sum is 20.

It can be divided in two parts, 121303 and 303121, that added together give a palindrome (424424).

The spelling of 121303303121 in words is "one hundred twenty-one billion, three hundred three million, three hundred three thousand, one hundred twenty-one".