121302310222 has 4 divisors (see below), whose sum is σ = 181953465336. Its totient is φ = 60651155110.

The previous prime is 121302310193. The next prime is 121302310231. The reversal of 121302310222 is 222013203121.

121302310222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222013203121 = 43 ⋅5163097747.

It is a self number, because there is not a number n which added to its sum of digits gives 121302310222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30325577554 + ... + 30325577557.

It is an arithmetic number, because the mean of its divisors is an integer number (45488366334).

Almost surely, 2^121302310222 is an apocalyptic number.

121302310222 is a deficient number, since it is larger than the sum of its proper divisors (60651155114).

121302310222 is an equidigital number, since it uses as much as digits as its factorization.

121302310222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60651155113.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121302310222 its reverse (222013203121), we get a palindrome (343315513343).

The spelling of 121302310222 in words is "one hundred twenty-one billion, three hundred two million, three hundred ten thousand, two hundred twenty-two".