121330213100 has 36 divisors (see below), whose sum is σ = 265616556744. Its totient is φ = 48102593280.

The previous prime is 121330213099. The next prime is 121330213117. The reversal of 121330213100 is 1312033121.

It is a super-2 number, since 2×121330213100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5357294 + ... + 5379893.

Almost surely, 2^121330213100 is an apocalyptic number.

121330213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121330213100 is an abundant number, since it is smaller than the sum of its proper divisors (144286343644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121330213100 is a wasteful number, since it uses less digits than its factorization.

121330213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737314 (or 10737307 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121330213100 its reverse (1312033121), we get a palindrome (122642246221).

The spelling of 121330213100 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred thirteen thousand, one hundred".