121321211103322 has 4 divisors (see below), whose sum is σ = 181981816654986. Its totient is φ = 60660605551660.

The previous prime is 121321211103299. The next prime is 121321211103329. The reversal of 121321211103322 is 223301112123121.

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., 100187708003161 + 21133503100161 = 10009381^2 + 4597119^2 .

It is not an unprimeable number, because it can be changed into a prime (121321211103329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30330302775829 + ... + 30330302775832.

Almost surely, 2^{121321211103322} is an apocalyptic number.

121321211103322 is a deficient number, since it is larger than the sum of its proper divisors (60660605551664).

121321211103322 is an equidigital number, since it uses as much as digits as its factorization.

121321211103322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60660605551663.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121321211103322 its reverse (223301112123121), we get a palindrome (344622323226443).

The spelling of 121321211103322 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, two hundred eleven million, one hundred three thousand, three hundred twenty-two".