121030320330 has 24 divisors (see below), whose sum is σ = 314678833092. Its totient is φ = 32274752064.

The previous prime is 121030320277. The next prime is 121030320347. The reversal of 121030320330 is 33023030121.

121030320330 is a `hidden beast` number, since 1 + 2 + 10 + 3 + 0 + 320 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120584646009 + 445674321 = 347253^2 + 21111^2 .

It is a super-2 number, since 2×121030320330² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672390579 + ... + 672390758.

Almost surely, 2^121030320330 is an apocalyptic number.

121030320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030320330 is an abundant number, since it is smaller than the sum of its proper divisors (193648512762).

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

121030320330 is a wasteful number, since it uses less digits than its factorization.

121030320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344781350 (or 1344781347 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 121030320330 its reverse (33023030121), we get a palindrome (154053350451).

The spelling of 121030320330 in words is "one hundred twenty-one billion, thirty million, three hundred twenty thousand, three hundred thirty".