121330213101 has 12 divisors (see below), whose sum is σ = 177870495712. Its totient is φ = 79679542536.

The previous prime is 121330213099. The next prime is 121330213117. The reversal of 121330213101 is 101312033121.

121330213101 is a `hidden beast` number, since 1 + 2 + 1 + 330 + 21 + 310 + 1 = 666.

It is not a de Polignac number, because 121330213101 - 2¹ = 121330213099 is a prime.

It is a super-2 number, since 2×121330213101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330213181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100604881 + ... + 100606086.

Almost surely, 2^121330213101 is an apocalyptic number.

It is an amenable number.

121330213101 is a deficient number, since it is larger than the sum of its proper divisors (56540282611).

121330213101 is a wasteful number, since it uses less digits than its factorization.

121330213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201211040 (or 201211037 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121330213101 its reverse (101312033121), we get a palindrome (222642246222).

The spelling of 121330213101 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred thirteen thousand, one hundred one".