121324200122 has 4 divisors (see below), whose sum is σ = 181986300186. Its totient is φ = 60662100060.

The previous prime is 121324200061. The next prime is 121324200131. The reversal of 121324200122 is 221002423121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104431739281 + 16892460841 = 323159^2 + 129971^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121324200094 and 121324200103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30331050029 + ... + 30331050032.

Almost surely, 2^121324200122 is an apocalyptic number.

121324200122 is a deficient number, since it is larger than the sum of its proper divisors (60662100064).

121324200122 is an equidigital number, since it uses as much as digits as its factorization.

121324200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60662100063.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121324200122 its reverse (221002423121), we get a palindrome (342326623243).

The spelling of 121324200122 in words is "one hundred twenty-one billion, three hundred twenty-four million, two hundred thousand, one hundred twenty-two".