121230221030330 has 16 divisors (see below), whose sum is σ = 218369269702440. Its totient is φ = 48457672445952.

The previous prime is 121230221030203. The next prime is 121230221030459. The reversal of 121230221030330 is 33030122032121.

It can be written as a sum of positive squares in 4 ways, for example, as 27965831322529 + 93264389707801 = 5288273^2 + 9657349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121230221030296 and 121230221030305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301980979 + ... + 4302009158.

Almost surely, 2^{121230221030330} is an apocalyptic number.

121230221030330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230221030330 is a deficient number, since it is larger than the sum of its proper divisors (97139048672110).

121230221030330 is a wasteful number, since it uses less digits than its factorization.

121230221030330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603991553.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121230221030330 its reverse (33030122032121), we get a palindrome (154260343062451).

The spelling of 121230221030330 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred twenty-one million, thirty thousand, three hundred thirty".