121221330302 has 8 divisors (see below), whose sum is σ = 182088460200. Its totient is φ = 60525176904.

The previous prime is 121221330173. The next prime is 121221330319. The reversal of 121221330302 is 203033122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121221330302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42742352 + ... + 42745187.

It is an arithmetic number, because the mean of its divisors is an integer number (22761057525).

Almost surely, 2^121221330302 is an apocalyptic number.

121221330302 is a deficient number, since it is larger than the sum of its proper divisors (60867129898).

121221330302 is an equidigital number, since it uses as much as digits as its factorization.

121221330302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85488250.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121221330302 its reverse (203033122121), we get a palindrome (324254452423).

The spelling of 121221330302 in words is "one hundred twenty-one billion, two hundred twenty-one million, three hundred thirty thousand, three hundred two".