121230211330 has 32 divisors (see below), whose sum is σ = 219518168688. Its totient is φ = 48202752000.

The previous prime is 121230211279. The next prime is 121230211337. The reversal of 121230211330 is 33112032121.

It can be written as a sum of positive squares in 8 ways, for example, as 3537989361 + 117692221969 = 59481^2 + 343063^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121230211298 and 121230211307.

It is not an unprimeable number, because it can be changed into a prime (121230211337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2486790 + ... + 2535070.

Almost surely, 2^121230211330 is an apocalyptic number.

121230211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230211330 is a deficient number, since it is larger than the sum of its proper divisors (98287957358).

121230211330 is a wasteful number, since it uses less digits than its factorization.

121230211330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49782.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121230211330 its reverse (33112032121), we get a palindrome (154342243451).

The spelling of 121230211330 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred eleven thousand, three hundred thirty".